Home / 91,655,909.22-126,487,551.90-49,842,420.04

Finding the Fourth Proportional to 91,655,909.22, 126,487,551.90 and 49,842,420.04

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Solution

The fourth proportional to 91,655,909.22, 126,487,551.90 and 49,842,420.04 is: 68,783,843.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,655,909.22 : 126,487,551.90 = 49,842,420.04 : x
  2. Step 2: Convert to fraction form
    91,655,909.22/126,487,551.90 = 49,842,420.04/x
  3. Step 3: Cross multiply
    91,655,909.22x = 126,487,551.90 × 49,842,420.04
  4. Step 4: Simplify right side
    91,655,909.22x = 6,304,445,691,631,100
  5. Step 5: Solve for x
    x = 6,304,445,691,631,100/91,655,909.22
  6. Step 6: Final answer
    x = 68,783,843.24

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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.