Home / 99,985,800.60-149,947,996.50-35,274,472.20

Finding the Fourth Proportional to 99,985,800.60, 149,947,996.50 and 35,274,472.20

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Solution

The fourth proportional to 99,985,800.60, 149,947,996.50 and 35,274,472.20 is: 52,900,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,985,800.60 : 149,947,996.50 = 35,274,472.20 : x
  2. Step 2: Convert to fraction form
    99,985,800.60/149,947,996.50 = 35,274,472.20/x
  3. Step 3: Cross multiply
    99,985,800.60x = 149,947,996.50 × 35,274,472.20
  4. Step 4: Simplify right side
    99,985,800.60x = 5,289,336,433,984,948
  5. Step 5: Solve for x
    x = 5,289,336,433,984,948/99,985,800.60
  6. Step 6: Final answer
    x = 52,900,875.95

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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.