Home / 120,257,624.40-180,384,861.96-29,382,000.72

Finding the Fourth Proportional to 120,257,624.40, 180,384,861.96 and 29,382,000.72

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Solution

The fourth proportional to 120,257,624.40, 180,384,861.96 and 29,382,000.72 is: 44,072,616.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,257,624.40 : 180,384,861.96 = 29,382,000.72 : x
  2. Step 2: Convert to fraction form
    120,257,624.40/180,384,861.96 = 29,382,000.72/x
  3. Step 3: Cross multiply
    120,257,624.40x = 180,384,861.96 × 29,382,000.72
  4. Step 4: Simplify right side
    120,257,624.40x = 5,300,068,143,985,821
  5. Step 5: Solve for x
    x = 5,300,068,143,985,821/120,257,624.40
  6. Step 6: Final answer
    x = 44,072,616.36

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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.