Home / 156,444,892.82-215,916,444.96-93,723,673.76

Finding the Fourth Proportional to 156,444,892.82, 215,916,444.96 and 93,723,673.76

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Solution

The fourth proportional to 156,444,892.82, 215,916,444.96 and 93,723,673.76 is: 129,352,144.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,444,892.82 : 215,916,444.96 = 93,723,673.76 : x
  2. Step 2: Convert to fraction form
    156,444,892.82/215,916,444.96 = 93,723,673.76/x
  3. Step 3: Cross multiply
    156,444,892.82x = 215,916,444.96 × 93,723,673.76
  4. Step 4: Simplify right side
    156,444,892.82x = 20,236,482,446,850,040
  5. Step 5: Solve for x
    x = 20,236,482,446,850,040/156,444,892.82
  6. Step 6: Final answer
    x = 129,352,144.91

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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.