Home / 55,488,000.80-83,232,001.20-40,270,541.60

Finding the Fourth Proportional to 55,488,000.80, 83,232,001.20 and 40,270,541.60

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Solution

The fourth proportional to 55,488,000.80, 83,232,001.20 and 40,270,541.60 is: 60,405,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,488,000.80 : 83,232,001.20 = 40,270,541.60 : x
  2. Step 2: Convert to fraction form
    55,488,000.80/83,232,001.20 = 40,270,541.60/x
  3. Step 3: Cross multiply
    55,488,000.80x = 83,232,001.20 × 40,270,541.60
  4. Step 4: Simplify right side
    55,488,000.80x = 3,351,797,766,775,850
  5. Step 5: Solve for x
    x = 3,351,797,766,775,850/55,488,000.80
  6. Step 6: Final answer
    x = 60,405,812.40

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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.