Home / 91,736,137.50-126,594,232.35-49,918,776.72

Finding the Fourth Proportional to 91,736,137.50, 126,594,232.35 and 49,918,776.72

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Solution

The fourth proportional to 91,736,137.50, 126,594,232.35 and 49,918,776.72 is: 68,887,020.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,736,137.50 : 126,594,232.35 = 49,918,776.72 : x
  2. Step 2: Convert to fraction form
    91,736,137.50/126,594,232.35 = 49,918,776.72/x
  3. Step 3: Cross multiply
    91,736,137.50x = 126,594,232.35 × 49,918,776.72
  4. Step 4: Simplify right side
    91,736,137.50x = 6,319,429,218,719,450
  5. Step 5: Solve for x
    x = 6,319,429,218,719,450/91,736,137.50
  6. Step 6: Final answer
    x = 68,887,020.87

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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.