Home / 65,720,135.88-90,687,701.16-36,350,836.38

Finding the Fourth Proportional to 65,720,135.88, 90,687,701.16 and 36,350,836.38

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Solution

The fourth proportional to 65,720,135.88, 90,687,701.16 and 36,350,836.38 is: 50,160,787.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,720,135.88 : 90,687,701.16 = 36,350,836.38 : x
  2. Step 2: Convert to fraction form
    65,720,135.88/90,687,701.16 = 36,350,836.38/x
  3. Step 3: Cross multiply
    65,720,135.88x = 90,687,701.16 × 36,350,836.38
  4. Step 4: Simplify right side
    65,720,135.88x = 3,296,573,786,545,496.50
  5. Step 5: Solve for x
    x = 3,296,573,786,545,496.50/65,720,135.88
  6. Step 6: Final answer
    x = 50,160,787.75

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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.