Home / 91,730,135.52-126,585,985.25-49,912,790.10

Finding the Fourth Proportional to 91,730,135.52, 126,585,985.25 and 49,912,790.10

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Solution

The fourth proportional to 91,730,135.52, 126,585,985.25 and 49,912,790.10 is: 68,878,778.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,730,135.52 : 126,585,985.25 = 49,912,790.10 : x
  2. Step 2: Convert to fraction form
    91,730,135.52/126,585,985.25 = 49,912,790.10/x
  3. Step 3: Cross multiply
    91,730,135.52x = 126,585,985.25 × 49,912,790.10
  4. Step 4: Simplify right side
    91,730,135.52x = 6,318,259,711,135,383
  5. Step 5: Solve for x
    x = 6,318,259,711,135,383/91,730,135.52
  6. Step 6: Final answer
    x = 68,878,778.77

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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.