Home / 120,555,706.24-180,816,525.44-38,663,941.76

Finding the Fourth Proportional to 120,555,706.24, 180,816,525.44 and 38,663,941.76

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Solution

The fourth proportional to 120,555,706.24, 180,816,525.44 and 38,663,941.76 is: 57,990,449.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,555,706.24 : 180,816,525.44 = 38,663,941.76 : x
  2. Step 2: Convert to fraction form
    120,555,706.24/180,816,525.44 = 38,663,941.76/x
  3. Step 3: Cross multiply
    120,555,706.24x = 180,816,525.44 × 38,663,941.76
  4. Step 4: Simplify right side
    120,555,706.24x = 6,991,079,608,857,718
  5. Step 5: Solve for x
    x = 6,991,079,608,857,718/120,555,706.24
  6. Step 6: Final answer
    x = 57,990,449.62

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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.