Home / 162,385,657.10-243,578,485.65-76,292,215.10

Finding the Fourth Proportional to 162,385,657.10, 243,578,485.65 and 76,292,215.10

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Solution

The fourth proportional to 162,385,657.10, 243,578,485.65 and 76,292,215.10 is: 114,438,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,385,657.10 : 243,578,485.65 = 76,292,215.10 : x
  2. Step 2: Convert to fraction form
    162,385,657.10/243,578,485.65 = 76,292,215.10/x
  3. Step 3: Cross multiply
    162,385,657.10x = 243,578,485.65 × 76,292,215.10
  4. Step 4: Simplify right side
    162,385,657.10x = 18,583,142,220,942,064
  5. Step 5: Solve for x
    x = 18,583,142,220,942,064/162,385,657.10
  6. Step 6: Final answer
    x = 114,438,322.65

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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.