Home / 91,156,396.52-125,795,823.59-49,903,288.90

Finding the Fourth Proportional to 91,156,396.52, 125,795,823.59 and 49,903,288.90

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Solution

The fourth proportional to 91,156,396.52, 125,795,823.59 and 49,903,288.90 is: 68,866,536.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,156,396.52 : 125,795,823.59 = 49,903,288.90 : x
  2. Step 2: Convert to fraction form
    91,156,396.52/125,795,823.59 = 49,903,288.90/x
  3. Step 3: Cross multiply
    91,156,396.52x = 125,795,823.59 × 49,903,288.90
  4. Step 4: Simplify right side
    91,156,396.52x = 6,277,625,326,835,474
  5. Step 5: Solve for x
    x = 6,277,625,326,835,474/91,156,396.52
  6. Step 6: Final answer
    x = 68,866,536.70

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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.