Home / 86,956,302.38-119,998,989.90-47,797,662.78

Finding the Fourth Proportional to 86,956,302.38, 119,998,989.90 and 47,797,662.78

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Solution

The fourth proportional to 86,956,302.38, 119,998,989.90 and 47,797,662.78 is: 65,960,385.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,956,302.38 : 119,998,989.90 = 47,797,662.78 : x
  2. Step 2: Convert to fraction form
    86,956,302.38/119,998,989.90 = 47,797,662.78/x
  3. Step 3: Cross multiply
    86,956,302.38x = 119,998,989.90 × 47,797,662.78
  4. Step 4: Simplify right side
    86,956,302.38x = 5,735,671,253,180,826
  5. Step 5: Solve for x
    x = 5,735,671,253,180,826/86,956,302.38
  6. Step 6: Final answer
    x = 65,960,385.81

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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.