Home / 87,942,407.10-131,913,610.65-73,833,632.70

Finding the Fourth Proportional to 87,942,407.10, 131,913,610.65 and 73,833,632.70

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Solution

The fourth proportional to 87,942,407.10, 131,913,610.65 and 73,833,632.70 is: 110,750,449.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,942,407.10 : 131,913,610.65 = 73,833,632.70 : x
  2. Step 2: Convert to fraction form
    87,942,407.10/131,913,610.65 = 73,833,632.70/x
  3. Step 3: Cross multiply
    87,942,407.10x = 131,913,610.65 × 73,833,632.70
  4. Step 4: Simplify right side
    87,942,407.10x = 9,739,661,076,862,910
  5. Step 5: Solve for x
    x = 9,739,661,076,862,910/87,942,407.10
  6. Step 6: Final answer
    x = 110,750,449.05

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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.