Home / 91,006,252.08-125,589,071.88-49,753,146.48

Finding the Fourth Proportional to 91,006,252.08, 125,589,071.88 and 49,753,146.48

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Solution

The fourth proportional to 91,006,252.08, 125,589,071.88 and 49,753,146.48 is: 68,659,584.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,006,252.08 : 125,589,071.88 = 49,753,146.48 : x
  2. Step 2: Convert to fraction form
    91,006,252.08/125,589,071.88 = 49,753,146.48/x
  3. Step 3: Cross multiply
    91,006,252.08x = 125,589,071.88 × 49,753,146.48
  4. Step 4: Simplify right side
    91,006,252.08x = 6,248,451,489,532,888
  5. Step 5: Solve for x
    x = 6,248,451,489,532,888/91,006,252.08
  6. Step 6: Final answer
    x = 68,659,584.88

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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.