Home / 126,181,844.10-189,272,766.15-108,863,136.90

Finding the Fourth Proportional to 126,181,844.10, 189,272,766.15 and 108,863,136.90

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Solution

The fourth proportional to 126,181,844.10, 189,272,766.15 and 108,863,136.90 is: 163,294,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,181,844.10 : 189,272,766.15 = 108,863,136.90 : x
  2. Step 2: Convert to fraction form
    126,181,844.10/189,272,766.15 = 108,863,136.90/x
  3. Step 3: Cross multiply
    126,181,844.10x = 189,272,766.15 × 108,863,136.90
  4. Step 4: Simplify right side
    126,181,844.10x = 20,604,827,052,829,136
  5. Step 5: Solve for x
    x = 20,604,827,052,829,136/126,181,844.10
  6. Step 6: Final answer
    x = 163,294,705.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.