Home / 91,823,414.40-126,730,088.16-69,760,608.48

Finding the Fourth Proportional to 91,823,414.40, 126,730,088.16 and 69,760,608.48

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Solution

The fourth proportional to 91,823,414.40, 126,730,088.16 and 69,760,608.48 is: 96,280,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,823,414.40 : 126,730,088.16 = 69,760,608.48 : x
  2. Step 2: Convert to fraction form
    91,823,414.40/126,730,088.16 = 69,760,608.48/x
  3. Step 3: Cross multiply
    91,823,414.40x = 126,730,088.16 × 69,760,608.48
  4. Step 4: Simplify right side
    91,823,414.40x = 8,840,768,062,765,644
  5. Step 5: Solve for x
    x = 8,840,768,062,765,644/91,823,414.40
  6. Step 6: Final answer
    x = 96,280,105.90

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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.