Home / 87,080,549.70-120,171,178.28-47,922,326.45

Finding the Fourth Proportional to 87,080,549.70, 120,171,178.28 and 47,922,326.45

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Solution

The fourth proportional to 87,080,549.70, 120,171,178.28 and 47,922,326.45 is: 66,132,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,080,549.70 : 120,171,178.28 = 47,922,326.45 : x
  2. Step 2: Convert to fraction form
    87,080,549.70/120,171,178.28 = 47,922,326.45/x
  3. Step 3: Cross multiply
    87,080,549.70x = 120,171,178.28 × 47,922,326.45
  4. Step 4: Simplify right side
    87,080,549.70x = 5,758,882,434,934,259
  5. Step 5: Solve for x
    x = 5,758,882,434,934,259/87,080,549.70
  6. Step 6: Final answer
    x = 66,132,821.33

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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.