Home / 208,041,778.28-287,096,937.39-119,935,355.87

Finding the Fourth Proportional to 208,041,778.28, 287,096,937.39 and 119,935,355.87

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Solution

The fourth proportional to 208,041,778.28, 287,096,937.39 and 119,935,355.87 is: 165,510,377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,041,778.28 : 287,096,937.39 = 119,935,355.87 : x
  2. Step 2: Convert to fraction form
    208,041,778.28/287,096,937.39 = 119,935,355.87/x
  3. Step 3: Cross multiply
    208,041,778.28x = 287,096,937.39 × 119,935,355.87
  4. Step 4: Simplify right side
    208,041,778.28x = 34,433,073,355,774,500
  5. Step 5: Solve for x
    x = 34,433,073,355,774,500/208,041,778.28
  6. Step 6: Final answer
    x = 165,510,377.96

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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.