Home / 85,053,630.26-127,656,498.65-43,582,797.89

Finding the Fourth Proportional to 85,053,630.26, 127,656,498.65 and 43,582,797.89

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Solution

The fourth proportional to 85,053,630.26, 127,656,498.65 and 43,582,797.89 is: 65,413,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,053,630.26 : 127,656,498.65 = 43,582,797.89 : x
  2. Step 2: Convert to fraction form
    85,053,630.26/127,656,498.65 = 43,582,797.89/x
  3. Step 3: Cross multiply
    85,053,630.26x = 127,656,498.65 × 43,582,797.89
  4. Step 4: Simplify right side
    85,053,630.26x = 5,563,627,379,151,811
  5. Step 5: Solve for x
    x = 5,563,627,379,151,811/85,053,630.26
  6. Step 6: Final answer
    x = 65,413,167.70

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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.