Home / 118,078,073.38-162,955,240.05-65,867,002.66

Finding the Fourth Proportional to 118,078,073.38, 162,955,240.05 and 65,867,002.66

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Solution

The fourth proportional to 118,078,073.38, 162,955,240.05 and 65,867,002.66 is: 90,900,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,078,073.38 : 162,955,240.05 = 65,867,002.66 : x
  2. Step 2: Convert to fraction form
    118,078,073.38/162,955,240.05 = 65,867,002.66/x
  3. Step 3: Cross multiply
    118,078,073.38x = 162,955,240.05 × 65,867,002.66
  4. Step 4: Simplify right side
    118,078,073.38x = 10,733,373,229,834,288
  5. Step 5: Solve for x
    x = 10,733,373,229,834,288/118,078,073.38
  6. Step 6: Final answer
    x = 90,900,646.69

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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.