Home / 125,856,029.80-188,784,044.70-74,711,722.60

Finding the Fourth Proportional to 125,856,029.80, 188,784,044.70 and 74,711,722.60

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Solution

The fourth proportional to 125,856,029.80, 188,784,044.70 and 74,711,722.60 is: 112,067,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,856,029.80 : 188,784,044.70 = 74,711,722.60 : x
  2. Step 2: Convert to fraction form
    125,856,029.80/188,784,044.70 = 74,711,722.60/x
  3. Step 3: Cross multiply
    125,856,029.80x = 188,784,044.70 × 74,711,722.60
  4. Step 4: Simplify right side
    125,856,029.80x = 14,104,381,178,932,398
  5. Step 5: Solve for x
    x = 14,104,381,178,932,398/125,856,029.80
  6. Step 6: Final answer
    x = 112,067,583.90

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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.