Home / 126,178,154.82-189,333,915.12-89,526,909.24

Finding the Fourth Proportional to 126,178,154.82, 189,333,915.12 and 89,526,909.24

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Solution

The fourth proportional to 126,178,154.82, 189,333,915.12 and 89,526,909.24 is: 134,337,677.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,178,154.82 : 189,333,915.12 = 89,526,909.24 : x
  2. Step 2: Convert to fraction form
    126,178,154.82/189,333,915.12 = 89,526,909.24/x
  3. Step 3: Cross multiply
    126,178,154.82x = 189,333,915.12 × 89,526,909.24
  4. Step 4: Simplify right side
    126,178,154.82x = 16,950,480,235,002,104
  5. Step 5: Solve for x
    x = 16,950,480,235,002,104/126,178,154.82
  6. Step 6: Final answer
    x = 134,337,677.22

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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.