Home / 66,472,727.85-91,747,670.07-38,979,513.45

Finding the Fourth Proportional to 66,472,727.85, 91,747,670.07 and 38,979,513.45

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Solution

The fourth proportional to 66,472,727.85, 91,747,670.07 and 38,979,513.45 is: 53,800,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,472,727.85 : 91,747,670.07 = 38,979,513.45 : x
  2. Step 2: Convert to fraction form
    66,472,727.85/91,747,670.07 = 38,979,513.45/x
  3. Step 3: Cross multiply
    66,472,727.85x = 91,747,670.07 × 38,979,513.45
  4. Step 4: Simplify right side
    66,472,727.85x = 3,576,279,539,499,727.50
  5. Step 5: Solve for x
    x = 3,576,279,539,499,727.50/66,472,727.85
  6. Step 6: Final answer
    x = 53,800,703.76

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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.