Home / 159,436,098.30-239,154,147.45-120,888,911.10

Finding the Fourth Proportional to 159,436,098.30, 239,154,147.45 and 120,888,911.10

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Solution

The fourth proportional to 159,436,098.30, 239,154,147.45 and 120,888,911.10 is: 181,333,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,436,098.30 : 239,154,147.45 = 120,888,911.10 : x
  2. Step 2: Convert to fraction form
    159,436,098.30/239,154,147.45 = 120,888,911.10/x
  3. Step 3: Cross multiply
    159,436,098.30x = 239,154,147.45 × 120,888,911.10
  4. Step 4: Simplify right side
    159,436,098.30x = 28,911,084,470,279,340
  5. Step 5: Solve for x
    x = 28,911,084,470,279,340/159,436,098.30
  6. Step 6: Final answer
    x = 181,333,366.65

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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.