Home / 87,613,332.58-120,943,628.31-54,589,897.65

Finding the Fourth Proportional to 87,613,332.58, 120,943,628.31 and 54,589,897.65

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Solution

The fourth proportional to 87,613,332.58, 120,943,628.31 and 54,589,897.65 is: 75,357,255.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,613,332.58 : 120,943,628.31 = 54,589,897.65 : x
  2. Step 2: Convert to fraction form
    87,613,332.58/120,943,628.31 = 54,589,897.65/x
  3. Step 3: Cross multiply
    87,613,332.58x = 120,943,628.31 × 54,589,897.65
  4. Step 4: Simplify right side
    87,613,332.58x = 6,602,300,291,520,793
  5. Step 5: Solve for x
    x = 6,602,300,291,520,793/87,613,332.58
  6. Step 6: Final answer
    x = 75,357,255.53

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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.