Home / 103,378,217.40-155,067,326.10-89,017,500.60

Finding the Fourth Proportional to 103,378,217.40, 155,067,326.10 and 89,017,500.60

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Solution

The fourth proportional to 103,378,217.40, 155,067,326.10 and 89,017,500.60 is: 133,526,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,378,217.40 : 155,067,326.10 = 89,017,500.60 : x
  2. Step 2: Convert to fraction form
    103,378,217.40/155,067,326.10 = 89,017,500.60/x
  3. Step 3: Cross multiply
    103,378,217.40x = 155,067,326.10 × 89,017,500.60
  4. Step 4: Simplify right side
    103,378,217.40x = 13,803,705,794,147,144
  5. Step 5: Solve for x
    x = 13,803,705,794,147,144/103,378,217.40
  6. Step 6: Final answer
    x = 133,526,250.90

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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.