Home / 42,002,328.60-63,003,492.90-38,412,149.40

Finding the Fourth Proportional to 42,002,328.60, 63,003,492.90 and 38,412,149.40

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Solution

The fourth proportional to 42,002,328.60, 63,003,492.90 and 38,412,149.40 is: 57,618,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,002,328.60 : 63,003,492.90 = 38,412,149.40 : x
  2. Step 2: Convert to fraction form
    42,002,328.60/63,003,492.90 = 38,412,149.40/x
  3. Step 3: Cross multiply
    42,002,328.60x = 63,003,492.90 × 38,412,149.40
  4. Step 4: Simplify right side
    42,002,328.60x = 2,420,099,581,996,639
  5. Step 5: Solve for x
    x = 2,420,099,581,996,639/42,002,328.60
  6. Step 6: Final answer
    x = 57,618,224.10

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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.