Home / 90,227,857.49-124,511,221.68-51,068,793.48

Finding the Fourth Proportional to 90,227,857.49, 124,511,221.68 and 51,068,793.48

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Solution

The fourth proportional to 90,227,857.49, 124,511,221.68 and 51,068,793.48 is: 70,473,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,227,857.49 : 124,511,221.68 = 51,068,793.48 : x
  2. Step 2: Convert to fraction form
    90,227,857.49/124,511,221.68 = 51,068,793.48/x
  3. Step 3: Cross multiply
    90,227,857.49x = 124,511,221.68 × 51,068,793.48
  4. Step 4: Simplify right side
    90,227,857.49x = 6,358,637,865,918,419
  5. Step 5: Solve for x
    x = 6,358,637,865,918,419/90,227,857.49
  6. Step 6: Final answer
    x = 70,473,111.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.