Home / 91,506,145.16-126,231,787.33-58,431,619.28

Finding the Fourth Proportional to 91,506,145.16, 126,231,787.33 and 58,431,619.28

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Solution

The fourth proportional to 91,506,145.16, 126,231,787.33 and 58,431,619.28 is: 80,605,818.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,506,145.16 : 126,231,787.33 = 58,431,619.28 : x
  2. Step 2: Convert to fraction form
    91,506,145.16/126,231,787.33 = 58,431,619.28/x
  3. Step 3: Cross multiply
    91,506,145.16x = 126,231,787.33 × 58,431,619.28
  4. Step 4: Simplify right side
    91,506,145.16x = 7,375,927,738,469,988
  5. Step 5: Solve for x
    x = 7,375,927,738,469,988/91,506,145.16
  6. Step 6: Final answer
    x = 80,605,818.61

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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.