Home / 60,480,478.30-90,720,717.45-20,090,962.30

Finding the Fourth Proportional to 60,480,478.30, 90,720,717.45 and 20,090,962.30

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Solution

The fourth proportional to 60,480,478.30, 90,720,717.45 and 20,090,962.30 is: 30,136,443.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,480,478.30 : 90,720,717.45 = 20,090,962.30 : x
  2. Step 2: Convert to fraction form
    60,480,478.30/90,720,717.45 = 20,090,962.30/x
  3. Step 3: Cross multiply
    60,480,478.30x = 90,720,717.45 × 20,090,962.30
  4. Step 4: Simplify right side
    60,480,478.30x = 1,822,666,514,116,902.25
  5. Step 5: Solve for x
    x = 1,822,666,514,116,902.25/60,480,478.30
  6. Step 6: Final answer
    x = 30,136,443.45

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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.