Home / 91,380,399.76-126,103,775.92-52,221,727.36

Finding the Fourth Proportional to 91,380,399.76, 126,103,775.92 and 52,221,727.36

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Solution

The fourth proportional to 91,380,399.76, 126,103,775.92 and 52,221,727.36 is: 72,065,311.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,380,399.76 : 126,103,775.92 = 52,221,727.36 : x
  2. Step 2: Convert to fraction form
    91,380,399.76/126,103,775.92 = 52,221,727.36/x
  3. Step 3: Cross multiply
    91,380,399.76x = 126,103,775.92 × 52,221,727.36
  4. Step 4: Simplify right side
    91,380,399.76x = 6,585,357,005,160,773
  5. Step 5: Solve for x
    x = 6,585,357,005,160,773/91,380,399.76
  6. Step 6: Final answer
    x = 72,065,311.84

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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.