Home / 87,995,381.16-121,427,969.10-48,837,184.43

Finding the Fourth Proportional to 87,995,381.16, 121,427,969.10 and 48,837,184.43

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Solution

The fourth proportional to 87,995,381.16, 121,427,969.10 and 48,837,184.43 is: 67,392,174.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,995,381.16 : 121,427,969.10 = 48,837,184.43 : x
  2. Step 2: Convert to fraction form
    87,995,381.16/121,427,969.10 = 48,837,184.43/x
  3. Step 3: Cross multiply
    87,995,381.16x = 121,427,969.10 × 48,837,184.43
  4. Step 4: Simplify right side
    87,995,381.16x = 5,930,200,121,289,901
  5. Step 5: Solve for x
    x = 5,930,200,121,289,901/87,995,381.16
  6. Step 6: Final answer
    x = 67,392,174.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.