Home / 91,357,240.68-126,080,964.18-50,112,104.76

Finding the Fourth Proportional to 91,357,240.68, 126,080,964.18 and 50,112,104.76

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Solution

The fourth proportional to 91,357,240.68, 126,080,964.18 and 50,112,104.76 is: 69,159,077.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,357,240.68 : 126,080,964.18 = 50,112,104.76 : x
  2. Step 2: Convert to fraction form
    91,357,240.68/126,080,964.18 = 50,112,104.76/x
  3. Step 3: Cross multiply
    91,357,240.68x = 126,080,964.18 × 50,112,104.76
  4. Step 4: Simplify right side
    91,357,240.68x = 6,318,182,485,229,968
  5. Step 5: Solve for x
    x = 6,318,182,485,229,968/91,357,240.68
  6. Step 6: Final answer
    x = 69,159,077.47

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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.