Home / 159,436,092.30-239,154,138.45-120,888,905.10

Finding the Fourth Proportional to 159,436,092.30, 239,154,138.45 and 120,888,905.10

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Solution

The fourth proportional to 159,436,092.30, 239,154,138.45 and 120,888,905.10 is: 181,333,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,436,092.30 : 239,154,138.45 = 120,888,905.10 : x
  2. Step 2: Convert to fraction form
    159,436,092.30/239,154,138.45 = 120,888,905.10/x
  3. Step 3: Cross multiply
    159,436,092.30x = 239,154,138.45 × 120,888,905.10
  4. Step 4: Simplify right side
    159,436,092.30x = 28,911,081,947,354,308
  5. Step 5: Solve for x
    x = 28,911,081,947,354,308/159,436,092.30
  6. Step 6: Final answer
    x = 181,333,357.65

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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.