Home / 83,928,898-125,887,568.46-51,585,792.40

Finding the Fourth Proportional to 83,928,898, 125,887,568.46 and 51,585,792.40

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Solution

The fourth proportional to 83,928,898, 125,887,568.46 and 51,585,792.40 is: 77,375,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,928,898 : 125,887,568.46 = 51,585,792.40 : x
  2. Step 2: Convert to fraction form
    83,928,898/125,887,568.46 = 51,585,792.40/x
  3. Step 3: Cross multiply
    83,928,898x = 125,887,568.46 × 51,585,792.40
  4. Step 4: Simplify right side
    83,928,898x = 6,494,009,972,318,347
  5. Step 5: Solve for x
    x = 6,494,009,972,318,347/83,928,898
  6. Step 6: Final answer
    x = 77,375,136.90

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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.