Home / 99,648,111.60-149,472,167.40-83,864,313.90

Finding the Fourth Proportional to 99,648,111.60, 149,472,167.40 and 83,864,313.90

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Solution

The fourth proportional to 99,648,111.60, 149,472,167.40 and 83,864,313.90 is: 125,796,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,648,111.60 : 149,472,167.40 = 83,864,313.90 : x
  2. Step 2: Convert to fraction form
    99,648,111.60/149,472,167.40 = 83,864,313.90/x
  3. Step 3: Cross multiply
    99,648,111.60x = 149,472,167.40 × 83,864,313.90
  4. Step 4: Simplify right side
    99,648,111.60x = 12,535,380,766,146,948
  5. Step 5: Solve for x
    x = 12,535,380,766,146,948/99,648,111.60
  6. Step 6: Final answer
    x = 125,796,470.85

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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.