Home / 91,063,891.48-125,668,546.31-49,247,955.91

Finding the Fourth Proportional to 91,063,891.48, 125,668,546.31 and 49,247,955.91

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Solution

The fourth proportional to 91,063,891.48, 125,668,546.31 and 49,247,955.91 is: 67,962,382.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,063,891.48 : 125,668,546.31 = 49,247,955.91 : x
  2. Step 2: Convert to fraction form
    91,063,891.48/125,668,546.31 = 49,247,955.91/x
  3. Step 3: Cross multiply
    91,063,891.48x = 125,668,546.31 × 49,247,955.91
  4. Step 4: Simplify right side
    91,063,891.48x = 6,188,919,028,178,711
  5. Step 5: Solve for x
    x = 6,188,919,028,178,711/91,063,891.48
  6. Step 6: Final answer
    x = 67,962,382.54

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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.