Home / 60,480,147.30-90,720,220.95-20,090,631.30

Finding the Fourth Proportional to 60,480,147.30, 90,720,220.95 and 20,090,631.30

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Solution

The fourth proportional to 60,480,147.30, 90,720,220.95 and 20,090,631.30 is: 30,135,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,480,147.30 : 90,720,220.95 = 20,090,631.30 : x
  2. Step 2: Convert to fraction form
    60,480,147.30/90,720,220.95 = 20,090,631.30/x
  3. Step 3: Cross multiply
    60,480,147.30x = 90,720,220.95 × 20,090,631.30
  4. Step 4: Simplify right side
    60,480,147.30x = 1,822,626,510,560,985.75
  5. Step 5: Solve for x
    x = 1,822,626,510,560,985.75/60,480,147.30
  6. Step 6: Final answer
    x = 30,135,946.95

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Similar ratio
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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.