Home / 87,218,822.80-130,828,234.20-60,009,043.60

Finding the Fourth Proportional to 87,218,822.80, 130,828,234.20 and 60,009,043.60

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Solution

The fourth proportional to 87,218,822.80, 130,828,234.20 and 60,009,043.60 is: 90,013,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,218,822.80 : 130,828,234.20 = 60,009,043.60 : x
  2. Step 2: Convert to fraction form
    87,218,822.80/130,828,234.20 = 60,009,043.60/x
  3. Step 3: Cross multiply
    87,218,822.80x = 130,828,234.20 × 60,009,043.60
  4. Step 4: Simplify right side
    87,218,822.80x = 7,850,877,210,218,811
  5. Step 5: Solve for x
    x = 7,850,877,210,218,811/87,218,822.80
  6. Step 6: Final answer
    x = 90,013,565.40

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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.