Home / 125,753,043.60-188,251,651.80-74,608,736.40

Finding the Fourth Proportional to 125,753,043.60, 188,251,651.80 and 74,608,736.40

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Solution

The fourth proportional to 125,753,043.60, 188,251,651.80 and 74,608,736.40 is: 111,688,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,753,043.60 : 188,251,651.80 = 74,608,736.40 : x
  2. Step 2: Convert to fraction form
    125,753,043.60/188,251,651.80 = 74,608,736.40/x
  3. Step 3: Cross multiply
    125,753,043.60x = 188,251,651.80 × 74,608,736.40
  4. Step 4: Simplify right side
    125,753,043.60x = 14,045,217,866,010,788
  5. Step 5: Solve for x
    x = 14,045,217,866,010,788/125,753,043.60
  6. Step 6: Final answer
    x = 111,688,890.10

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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.