Home / 118,835,337.30-178,253,005.95-54,265,255.80

Finding the Fourth Proportional to 118,835,337.30, 178,253,005.95 and 54,265,255.80

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Solution

The fourth proportional to 118,835,337.30, 178,253,005.95 and 54,265,255.80 is: 81,397,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,835,337.30 : 178,253,005.95 = 54,265,255.80 : x
  2. Step 2: Convert to fraction form
    118,835,337.30/178,253,005.95 = 54,265,255.80/x
  3. Step 3: Cross multiply
    118,835,337.30x = 178,253,005.95 × 54,265,255.80
  4. Step 4: Simplify right side
    118,835,337.30x = 9,672,944,964,995,670
  5. Step 5: Solve for x
    x = 9,672,944,964,995,670/118,835,337.30
  6. Step 6: Final answer
    x = 81,397,883.70

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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.