Home / 252,513,001.40-378,675,023.70-88,687,455.80

Finding the Fourth Proportional to 252,513,001.40, 378,675,023.70 and 88,687,455.80

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Solution

The fourth proportional to 252,513,001.40, 378,675,023.70 and 88,687,455.80 is: 132,998,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,513,001.40 : 378,675,023.70 = 88,687,455.80 : x
  2. Step 2: Convert to fraction form
    252,513,001.40/378,675,023.70 = 88,687,455.80/x
  3. Step 3: Cross multiply
    252,513,001.40x = 378,675,023.70 × 88,687,455.80
  4. Step 4: Simplify right side
    252,513,001.40x = 33,583,724,426,957,700
  5. Step 5: Solve for x
    x = 33,583,724,426,957,700/252,513,001.40
  6. Step 6: Final answer
    x = 132,998,001.06

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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.