Home / 80,514,644.00-111,095,449.07-47,485,228.64

Finding the Fourth Proportional to 80,514,644.00, 111,095,449.07 and 47,485,228.64

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Solution

The fourth proportional to 80,514,644.00, 111,095,449.07 and 47,485,228.64 is: 65,520,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,514,644.00 : 111,095,449.07 = 47,485,228.64 : x
  2. Step 2: Convert to fraction form
    80,514,644.00/111,095,449.07 = 47,485,228.64/x
  3. Step 3: Cross multiply
    80,514,644.00x = 111,095,449.07 × 47,485,228.64
  4. Step 4: Simplify right side
    80,514,644.00x = 5,275,392,799,159,522
  5. Step 5: Solve for x
    x = 5,275,392,799,159,522/80,514,644.00
  6. Step 6: Final answer
    x = 65,520,910.70

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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.