Home / 125,109,713.70-187,664,570.55-103,426,920.90

Finding the Fourth Proportional to 125,109,713.70, 187,664,570.55 and 103,426,920.90

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Solution

The fourth proportional to 125,109,713.70, 187,664,570.55 and 103,426,920.90 is: 155,140,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,109,713.70 : 187,664,570.55 = 103,426,920.90 : x
  2. Step 2: Convert to fraction form
    125,109,713.70/187,664,570.55 = 103,426,920.90/x
  3. Step 3: Cross multiply
    125,109,713.70x = 187,664,570.55 × 103,426,920.90
  4. Step 4: Simplify right side
    125,109,713.70x = 19,409,568,694,007,320
  5. Step 5: Solve for x
    x = 19,409,568,694,007,320/125,109,713.70
  6. Step 6: Final answer
    x = 155,140,381.35

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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.