Home / 87,440,216.40-131,076,343.80-67,998,661.20

Finding the Fourth Proportional to 87,440,216.40, 131,076,343.80 and 67,998,661.20

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Solution

The fourth proportional to 87,440,216.40, 131,076,343.80 and 67,998,661.20 is: 101,932,683.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,440,216.40 : 131,076,343.80 = 67,998,661.20 : x
  2. Step 2: Convert to fraction form
    87,440,216.40/131,076,343.80 = 67,998,661.20/x
  3. Step 3: Cross multiply
    87,440,216.40x = 131,076,343.80 × 67,998,661.20
  4. Step 4: Simplify right side
    87,440,216.40x = 8,913,015,893,390,921
  5. Step 5: Solve for x
    x = 8,913,015,893,390,921/87,440,216.40
  6. Step 6: Final answer
    x = 101,932,683.38

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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.