Home / 282,471,409.80-389,822,022.90-158,711,704.20

Finding the Fourth Proportional to 282,471,409.80, 389,822,022.90 and 158,711,704.20

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Solution

The fourth proportional to 282,471,409.80, 389,822,022.90 and 158,711,704.20 is: 219,028,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,471,409.80 : 389,822,022.90 = 158,711,704.20 : x
  2. Step 2: Convert to fraction form
    282,471,409.80/389,822,022.90 = 158,711,704.20/x
  3. Step 3: Cross multiply
    282,471,409.80x = 389,822,022.90 × 158,711,704.20
  4. Step 4: Simplify right side
    282,471,409.80x = 61,869,317,589,150,416
  5. Step 5: Solve for x
    x = 61,869,317,589,150,416/282,471,409.80
  6. Step 6: Final answer
    x = 219,028,600.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.