Home / 242,548,992,090.90-363,823,488,136.35-85,462,345,818.90

Finding the Fourth Proportional to 242,548,992,090.90, 363,823,488,136.35 and 85,462,345,818.90

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Solution

The fourth proportional to 242,548,992,090.90, 363,823,488,136.35 and 85,462,345,818.90 is: 128,193,518,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,548,992,090.90 : 363,823,488,136.35 = 85,462,345,818.90 : x
  2. Step 2: Convert to fraction form
    242,548,992,090.90/363,823,488,136.35 = 85,462,345,818.90/x
  3. Step 3: Cross multiply
    242,548,992,090.90x = 363,823,488,136.35 × 85,462,345,818.90
  4. Step 4: Simplify right side
    242,548,992,090.90x = 31,093,208,760,147,198,869,504
  5. Step 5: Solve for x
    x = 31,093,208,760,147,198,869,504/242,548,992,090.90
  6. Step 6: Final answer
    x = 128,193,518,728.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.