Home / 91,136,847.52-125,770,030.86-49,882,854.16

Finding the Fourth Proportional to 91,136,847.52, 125,770,030.86 and 49,882,854.16

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Solution

The fourth proportional to 91,136,847.52, 125,770,030.86 and 49,882,854.16 is: 68,838,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,136,847.52 : 125,770,030.86 = 49,882,854.16 : x
  2. Step 2: Convert to fraction form
    91,136,847.52/125,770,030.86 = 49,882,854.16/x
  3. Step 3: Cross multiply
    91,136,847.52x = 125,770,030.86 × 49,882,854.16
  4. Step 4: Simplify right side
    91,136,847.52x = 6,273,768,107,088,079
  5. Step 5: Solve for x
    x = 6,273,768,107,088,079/91,136,847.52
  6. Step 6: Final answer
    x = 68,838,985.30

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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.