Home / 149,690,655.40-224,766,930.30-81,666,207.40

Finding the Fourth Proportional to 149,690,655.40, 224,766,930.30 and 81,666,207.40

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Solution

The fourth proportional to 149,690,655.40, 224,766,930.30 and 81,666,207.40 is: 122,625,308.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,690,655.40 : 224,766,930.30 = 81,666,207.40 : x
  2. Step 2: Convert to fraction form
    149,690,655.40/224,766,930.30 = 81,666,207.40/x
  3. Step 3: Cross multiply
    149,690,655.40x = 224,766,930.30 × 81,666,207.40
  4. Step 4: Simplify right side
    149,690,655.40x = 18,355,862,746,541,148
  5. Step 5: Solve for x
    x = 18,355,862,746,541,148/149,690,655.40
  6. Step 6: Final answer
    x = 122,625,308.16

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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.