Home / 87,923,660.85-121,255,254.18-54,886,975.52

Finding the Fourth Proportional to 87,923,660.85, 121,255,254.18 and 54,886,975.52

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Solution

The fourth proportional to 87,923,660.85, 121,255,254.18 and 54,886,975.52 is: 75,694,461.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,923,660.85 : 121,255,254.18 = 54,886,975.52 : x
  2. Step 2: Convert to fraction form
    87,923,660.85/121,255,254.18 = 54,886,975.52/x
  3. Step 3: Cross multiply
    87,923,660.85x = 121,255,254.18 × 54,886,975.52
  4. Step 4: Simplify right side
    87,923,660.85x = 6,655,334,167,242,762
  5. Step 5: Solve for x
    x = 6,655,334,167,242,762/87,923,660.85
  6. Step 6: Final answer
    x = 75,694,461.57

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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.