Home / 125,844,412.20-188,447,753.70-100,335,244.20

Finding the Fourth Proportional to 125,844,412.20, 188,447,753.70 and 100,335,244.20

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Solution

The fourth proportional to 125,844,412.20, 188,447,753.70 and 100,335,244.20 is: 150,248,636.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,844,412.20 : 188,447,753.70 = 100,335,244.20 : x
  2. Step 2: Convert to fraction form
    125,844,412.20/188,447,753.70 = 100,335,244.20/x
  3. Step 3: Cross multiply
    125,844,412.20x = 188,447,753.70 × 100,335,244.20
  4. Step 4: Simplify right side
    125,844,412.20x = 18,907,951,386,430,952
  5. Step 5: Solve for x
    x = 18,907,951,386,430,952/125,844,412.20
  6. Step 6: Final answer
    x = 150,248,636.84

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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.