Home / 188,784,047.20-283,176,070.80-112,067,586.40

Finding the Fourth Proportional to 188,784,047.20, 283,176,070.80 and 112,067,586.40

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Solution

The fourth proportional to 188,784,047.20, 283,176,070.80 and 112,067,586.40 is: 168,101,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,784,047.20 : 283,176,070.80 = 112,067,586.40 : x
  2. Step 2: Convert to fraction form
    188,784,047.20/283,176,070.80 = 112,067,586.40/x
  3. Step 3: Cross multiply
    188,784,047.20x = 283,176,070.80 × 112,067,586.40
  4. Step 4: Simplify right side
    188,784,047.20x = 31,734,858,780,791,520
  5. Step 5: Solve for x
    x = 31,734,858,780,791,520/188,784,047.20
  6. Step 6: Final answer
    x = 168,101,379.60

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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.