Home / 91,773,671.90-137,660,507.85-31,189,397.90

Finding the Fourth Proportional to 91,773,671.90, 137,660,507.85 and 31,189,397.90

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Solution

The fourth proportional to 91,773,671.90, 137,660,507.85 and 31,189,397.90 is: 46,784,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,773,671.90 : 137,660,507.85 = 31,189,397.90 : x
  2. Step 2: Convert to fraction form
    91,773,671.90/137,660,507.85 = 31,189,397.90/x
  3. Step 3: Cross multiply
    91,773,671.90x = 137,660,507.85 × 31,189,397.90
  4. Step 4: Simplify right side
    91,773,671.90x = 4,293,548,354,449,723
  5. Step 5: Solve for x
    x = 4,293,548,354,449,723/91,773,671.90
  6. Step 6: Final answer
    x = 46,784,096.85

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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.