Home / 90,287,793.77-124,597,887.60-49,034,981.39

Finding the Fourth Proportional to 90,287,793.77, 124,597,887.60 and 49,034,981.39

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Solution

The fourth proportional to 90,287,793.77, 124,597,887.60 and 49,034,981.39 is: 67,668,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,287,793.77 : 124,597,887.60 = 49,034,981.39 : x
  2. Step 2: Convert to fraction form
    90,287,793.77/124,597,887.60 = 49,034,981.39/x
  3. Step 3: Cross multiply
    90,287,793.77x = 124,597,887.60 × 49,034,981.39
  4. Step 4: Simplify right side
    90,287,793.77x = 6,109,655,099,076,322
  5. Step 5: Solve for x
    x = 6,109,655,099,076,322/90,287,793.77
  6. Step 6: Final answer
    x = 67,668,671.97

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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.