Home / 125,109,723.20-187,664,584.80-103,426,930.40

Finding the Fourth Proportional to 125,109,723.20, 187,664,584.80 and 103,426,930.40

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Solution

The fourth proportional to 125,109,723.20, 187,664,584.80 and 103,426,930.40 is: 155,140,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,109,723.20 : 187,664,584.80 = 103,426,930.40 : x
  2. Step 2: Convert to fraction form
    125,109,723.20/187,664,584.80 = 103,426,930.40/x
  3. Step 3: Cross multiply
    125,109,723.20x = 187,664,584.80 × 103,426,930.40
  4. Step 4: Simplify right side
    125,109,723.20x = 19,409,571,950,654,500
  5. Step 5: Solve for x
    x = 19,409,571,950,654,500/125,109,723.20
  6. Step 6: Final answer
    x = 155,140,395.60

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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.