Home / 87,688,264.80-131,420,422.80-67,392,904.80

Finding the Fourth Proportional to 87,688,264.80, 131,420,422.80 and 67,392,904.80

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Solution

The fourth proportional to 87,688,264.80, 131,420,422.80 and 67,392,904.80 is: 101,003,299.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,688,264.80 : 131,420,422.80 = 67,392,904.80 : x
  2. Step 2: Convert to fraction form
    87,688,264.80/131,420,422.80 = 67,392,904.80/x
  3. Step 3: Cross multiply
    87,688,264.80x = 131,420,422.80 × 67,392,904.80
  4. Step 4: Simplify right side
    87,688,264.80x = 8,856,804,042,536,149
  5. Step 5: Solve for x
    x = 8,856,804,042,536,149/87,688,264.80
  6. Step 6: Final answer
    x = 101,003,299.16

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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.