Home / 91,655,903.72-126,487,544.31-49,842,414.54

Finding the Fourth Proportional to 91,655,903.72, 126,487,544.31 and 49,842,414.54

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Solution

The fourth proportional to 91,655,903.72, 126,487,544.31 and 49,842,414.54 is: 68,783,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,655,903.72 : 126,487,544.31 = 49,842,414.54 : x
  2. Step 2: Convert to fraction form
    91,655,903.72/126,487,544.31 = 49,842,414.54/x
  3. Step 3: Cross multiply
    91,655,903.72x = 126,487,544.31 × 49,842,414.54
  4. Step 4: Simplify right side
    91,655,903.72x = 6,304,444,617,398,017
  5. Step 5: Solve for x
    x = 6,304,444,617,398,017/91,655,903.72
  6. Step 6: Final answer
    x = 68,783,835.65

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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.