Home / 87,168,374.40-130,752,561.60-56,935,286.40

Finding the Fourth Proportional to 87,168,374.40, 130,752,561.60 and 56,935,286.40

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Solution

The fourth proportional to 87,168,374.40, 130,752,561.60 and 56,935,286.40 is: 85,402,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,168,374.40 : 130,752,561.60 = 56,935,286.40 : x
  2. Step 2: Convert to fraction form
    87,168,374.40/130,752,561.60 = 56,935,286.40/x
  3. Step 3: Cross multiply
    87,168,374.40x = 130,752,561.60 × 56,935,286.40
  4. Step 4: Simplify right side
    87,168,374.40x = 7,444,434,542,229,642
  5. Step 5: Solve for x
    x = 7,444,434,542,229,642/87,168,374.40
  6. Step 6: Final answer
    x = 85,402,929.60

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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.