Home / 99,471,839.34-137,267,919.09-57,092,374.34

Finding the Fourth Proportional to 99,471,839.34, 137,267,919.09 and 57,092,374.34

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Solution

The fourth proportional to 99,471,839.34, 137,267,919.09 and 57,092,374.34 is: 78,785,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,471,839.34 : 137,267,919.09 = 57,092,374.34 : x
  2. Step 2: Convert to fraction form
    99,471,839.34/137,267,919.09 = 57,092,374.34/x
  3. Step 3: Cross multiply
    99,471,839.34x = 137,267,919.09 × 57,092,374.34
  4. Step 4: Simplify right side
    99,471,839.34x = 7,836,951,421,559,113
  5. Step 5: Solve for x
    x = 7,836,951,421,559,113/99,471,839.34
  6. Step 6: Final answer
    x = 78,785,628.91

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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.