Home / 381,677,709.60-572,516,564.40-136,311,399.90

Finding the Fourth Proportional to 381,677,709.60, 572,516,564.40 and 136,311,399.90

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Solution

The fourth proportional to 381,677,709.60, 572,516,564.40 and 136,311,399.90 is: 204,467,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,677,709.60 : 572,516,564.40 = 136,311,399.90 : x
  2. Step 2: Convert to fraction form
    381,677,709.60/572,516,564.40 = 136,311,399.90/x
  3. Step 3: Cross multiply
    381,677,709.60x = 572,516,564.40 × 136,311,399.90
  4. Step 4: Simplify right side
    381,677,709.60x = 78,040,534,359,302,496
  5. Step 5: Solve for x
    x = 78,040,534,359,302,496/381,677,709.60
  6. Step 6: Final answer
    x = 204,467,099.85

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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.