Home / 159,731,458.20-238,966,773.60-120,981,536.10

Finding the Fourth Proportional to 159,731,458.20, 238,966,773.60 and 120,981,536.10

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Solution

The fourth proportional to 159,731,458.20, 238,966,773.60 and 120,981,536.10 is: 180,994,825.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,731,458.20 : 238,966,773.60 = 120,981,536.10 : x
  2. Step 2: Convert to fraction form
    159,731,458.20/238,966,773.60 = 120,981,536.10/x
  3. Step 3: Cross multiply
    159,731,458.20x = 238,966,773.60 × 120,981,536.10
  4. Step 4: Simplify right side
    159,731,458.20x = 28,910,567,346,988,924
  5. Step 5: Solve for x
    x = 28,910,567,346,988,924/159,731,458.20
  6. Step 6: Final answer
    x = 180,994,825.14

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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.