Home / 87,218,590.80-130,827,886.20-60,008,811.60

Finding the Fourth Proportional to 87,218,590.80, 130,827,886.20 and 60,008,811.60

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Solution

The fourth proportional to 87,218,590.80, 130,827,886.20 and 60,008,811.60 is: 90,013,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,218,590.80 : 130,827,886.20 = 60,008,811.60 : x
  2. Step 2: Convert to fraction form
    87,218,590.80/130,827,886.20 = 60,008,811.60/x
  3. Step 3: Cross multiply
    87,218,590.80x = 130,827,886.20 × 60,008,811.60
  4. Step 4: Simplify right side
    87,218,590.80x = 7,850,825,975,002,040
  5. Step 5: Solve for x
    x = 7,850,825,975,002,040/87,218,590.80
  6. Step 6: Final answer
    x = 90,013,217.40

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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.