Home / 91,736,138.50-126,594,233.73-49,918,777.72

Finding the Fourth Proportional to 91,736,138.50, 126,594,233.73 and 49,918,777.72

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Solution

The fourth proportional to 91,736,138.50, 126,594,233.73 and 49,918,777.72 is: 68,887,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,736,138.50 : 126,594,233.73 = 49,918,777.72 : x
  2. Step 2: Convert to fraction form
    91,736,138.50/126,594,233.73 = 49,918,777.72/x
  3. Step 3: Cross multiply
    91,736,138.50x = 126,594,233.73 × 49,918,777.72
  4. Step 4: Simplify right side
    91,736,138.50x = 6,319,429,414,201,597
  5. Step 5: Solve for x
    x = 6,319,429,414,201,597/91,736,138.50
  6. Step 6: Final answer
    x = 68,887,022.25

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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.