Home / 103,418,020.26-155,079,336.51-30,608,766.18

Finding the Fourth Proportional to 103,418,020.26, 155,079,336.51 and 30,608,766.18

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Solution

The fourth proportional to 103,418,020.26, 155,079,336.51 and 30,608,766.18 is: 45,899,033.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,418,020.26 : 155,079,336.51 = 30,608,766.18 : x
  2. Step 2: Convert to fraction form
    103,418,020.26/155,079,336.51 = 30,608,766.18/x
  3. Step 3: Cross multiply
    103,418,020.26x = 155,079,336.51 × 30,608,766.18
  4. Step 4: Simplify right side
    103,418,020.26x = 4,746,787,150,584,127
  5. Step 5: Solve for x
    x = 4,746,787,150,584,127/103,418,020.26
  6. Step 6: Final answer
    x = 45,899,033.25

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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.