Home / 159,436,093.80-239,154,140.70-120,888,906.60

Finding the Fourth Proportional to 159,436,093.80, 239,154,140.70 and 120,888,906.60

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Solution

The fourth proportional to 159,436,093.80, 239,154,140.70 and 120,888,906.60 is: 181,333,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,436,093.80 : 239,154,140.70 = 120,888,906.60 : x
  2. Step 2: Convert to fraction form
    159,436,093.80/239,154,140.70 = 120,888,906.60/x
  3. Step 3: Cross multiply
    159,436,093.80x = 239,154,140.70 × 120,888,906.60
  4. Step 4: Simplify right side
    159,436,093.80x = 28,911,082,578,085,556
  5. Step 5: Solve for x
    x = 28,911,082,578,085,556/159,436,093.80
  6. Step 6: Final answer
    x = 181,333,359.90

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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.