Home / 99,482,938.60-149,245,403.10-31,332,519.40

Finding the Fourth Proportional to 99,482,938.60, 149,245,403.10 and 31,332,519.40

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Solution

The fourth proportional to 99,482,938.60, 149,245,403.10 and 31,332,519.40 is: 47,005,391.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,482,938.60 : 149,245,403.10 = 31,332,519.40 : x
  2. Step 2: Convert to fraction form
    99,482,938.60/149,245,403.10 = 31,332,519.40/x
  3. Step 3: Cross multiply
    99,482,938.60x = 149,245,403.10 × 31,332,519.40
  4. Step 4: Simplify right side
    99,482,938.60x = 4,676,234,487,991,570
  5. Step 5: Solve for x
    x = 4,676,234,487,991,570/99,482,938.60
  6. Step 6: Final answer
    x = 47,005,391.62

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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.