Home / 149,690,654.40-224,766,928.80-81,666,206.40

Finding the Fourth Proportional to 149,690,654.40, 224,766,928.80 and 81,666,206.40

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Solution

The fourth proportional to 149,690,654.40, 224,766,928.80 and 81,666,206.40 is: 122,625,306.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,690,654.40 : 224,766,928.80 = 81,666,206.40 : x
  2. Step 2: Convert to fraction form
    149,690,654.40/224,766,928.80 = 81,666,206.40/x
  3. Step 3: Cross multiply
    149,690,654.40x = 224,766,928.80 × 81,666,206.40
  4. Step 4: Simplify right side
    149,690,654.40x = 18,355,862,399,274,908
  5. Step 5: Solve for x
    x = 18,355,862,399,274,908/149,690,654.40
  6. Step 6: Final answer
    x = 122,625,306.66

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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.