Home / 91,659,579.08-126,487,690.22-50,406,471.45

Finding the Fourth Proportional to 91,659,579.08, 126,487,690.22 and 50,406,471.45

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Solution

The fourth proportional to 91,659,579.08, 126,487,690.22 and 50,406,471.45 is: 69,559,539.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,659,579.08 : 126,487,690.22 = 50,406,471.45 : x
  2. Step 2: Convert to fraction form
    91,659,579.08/126,487,690.22 = 50,406,471.45/x
  3. Step 3: Cross multiply
    91,659,579.08x = 126,487,690.22 × 50,406,471.45
  4. Step 4: Simplify right side
    91,659,579.08x = 6,375,798,145,976,891
  5. Step 5: Solve for x
    x = 6,375,798,145,976,891/91,659,579.08
  6. Step 6: Final answer
    x = 69,559,539.88

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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.