Home / 91,412,966.96-137,038,736.08-69,943,414.88

Finding the Fourth Proportional to 91,412,966.96, 137,038,736.08 and 69,943,414.88

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Solution

The fourth proportional to 91,412,966.96, 137,038,736.08 and 69,943,414.88 is: 104,853,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,412,966.96 : 137,038,736.08 = 69,943,414.88 : x
  2. Step 2: Convert to fraction form
    91,412,966.96/137,038,736.08 = 69,943,414.88/x
  3. Step 3: Cross multiply
    91,412,966.96x = 137,038,736.08 × 69,943,414.88
  4. Step 4: Simplify right side
    91,412,966.96x = 9,584,957,172,274,266
  5. Step 5: Solve for x
    x = 9,584,957,172,274,266/91,412,966.96
  6. Step 6: Final answer
    x = 104,853,364.80

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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.