Home / 118,098,201.60-177,147,302.40-99,391,478.40

Finding the Fourth Proportional to 118,098,201.60, 177,147,302.40 and 99,391,478.40

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Solution

The fourth proportional to 118,098,201.60, 177,147,302.40 and 99,391,478.40 is: 149,087,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,201.60 : 177,147,302.40 = 99,391,478.40 : x
  2. Step 2: Convert to fraction form
    118,098,201.60/177,147,302.40 = 99,391,478.40/x
  3. Step 3: Cross multiply
    118,098,201.60x = 177,147,302.40 × 99,391,478.40
  4. Step 4: Simplify right side
    118,098,201.60x = 17,606,932,280,107,870
  5. Step 5: Solve for x
    x = 17,606,932,280,107,870/118,098,201.60
  6. Step 6: Final answer
    x = 149,087,217.60

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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.