Home / 83,779,218.24-115,616,011.68-47,109,468.48

Finding the Fourth Proportional to 83,779,218.24, 115,616,011.68 and 47,109,468.48

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Solution

The fourth proportional to 83,779,218.24, 115,616,011.68 and 47,109,468.48 is: 65,011,454.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,779,218.24 : 115,616,011.68 = 47,109,468.48 : x
  2. Step 2: Convert to fraction form
    83,779,218.24/115,616,011.68 = 47,109,468.48/x
  3. Step 3: Cross multiply
    83,779,218.24x = 115,616,011.68 × 47,109,468.48
  4. Step 4: Simplify right side
    83,779,218.24x = 5,446,608,858,022,272
  5. Step 5: Solve for x
    x = 5,446,608,858,022,272/83,779,218.24
  6. Step 6: Final answer
    x = 65,011,454.78

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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.