Home / 91,207,274.37-125,866,159.97-49,391,411.75

Finding the Fourth Proportional to 91,207,274.37, 125,866,159.97 and 49,391,411.75

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Solution

The fourth proportional to 91,207,274.37, 125,866,159.97 and 49,391,411.75 is: 68,160,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,207,274.37 : 125,866,159.97 = 49,391,411.75 : x
  2. Step 2: Convert to fraction form
    91,207,274.37/125,866,159.97 = 49,391,411.75/x
  3. Step 3: Cross multiply
    91,207,274.37x = 125,866,159.97 × 49,391,411.75
  4. Step 4: Simplify right side
    91,207,274.37x = 6,216,707,331,593,350
  5. Step 5: Solve for x
    x = 6,216,707,331,593,350/91,207,274.37
  6. Step 6: Final answer
    x = 68,160,213.91

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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.