Home / 99,043,318.60-148,676,952.30-76,424,489.80

Finding the Fourth Proportional to 99,043,318.60, 148,676,952.30 and 76,424,489.80

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Solution

The fourth proportional to 99,043,318.60, 148,676,952.30 and 76,424,489.80 is: 114,723,137.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,043,318.60 : 148,676,952.30 = 76,424,489.80 : x
  2. Step 2: Convert to fraction form
    99,043,318.60/148,676,952.30 = 76,424,489.80/x
  3. Step 3: Cross multiply
    99,043,318.60x = 148,676,952.30 × 76,424,489.80
  4. Step 4: Simplify right side
    99,043,318.60x = 11,362,560,224,546,438
  5. Step 5: Solve for x
    x = 11,362,560,224,546,438/99,043,318.60
  6. Step 6: Final answer
    x = 114,723,137.16

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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.