Home / 90,938,447.76-136,315,740.56-39,156,819.60

Finding the Fourth Proportional to 90,938,447.76, 136,315,740.56 and 39,156,819.60

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Solution

The fourth proportional to 90,938,447.76, 136,315,740.56 and 39,156,819.60 is: 58,695,645.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,938,447.76 : 136,315,740.56 = 39,156,819.60 : x
  2. Step 2: Convert to fraction form
    90,938,447.76/136,315,740.56 = 39,156,819.60/x
  3. Step 3: Cross multiply
    90,938,447.76x = 136,315,740.56 × 39,156,819.60
  4. Step 4: Simplify right side
    90,938,447.76x = 5,337,690,861,748,323
  5. Step 5: Solve for x
    x = 5,337,690,861,748,323/90,938,447.76
  6. Step 6: Final answer
    x = 58,695,645.17

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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.