Home / 30,279,379.20-45,419,068.80-22,148,331.90

Finding the Fourth Proportional to 30,279,379.20, 45,419,068.80 and 22,148,331.90

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Solution

The fourth proportional to 30,279,379.20, 45,419,068.80 and 22,148,331.90 is: 33,222,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279,379.20 : 45,419,068.80 = 22,148,331.90 : x
  2. Step 2: Convert to fraction form
    30,279,379.20/45,419,068.80 = 22,148,331.90/x
  3. Step 3: Cross multiply
    30,279,379.20x = 45,419,068.80 × 22,148,331.90
  4. Step 4: Simplify right side
    30,279,379.20x = 1,005,956,610,371,334.62
  5. Step 5: Solve for x
    x = 1,005,956,610,371,334.62/30,279,379.20
  6. Step 6: Final answer
    x = 33,222,497.85

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1.5x scale

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.