Home / 159,456,329.90-239,184,494.85-86,707,961.90

Finding the Fourth Proportional to 159,456,329.90, 239,184,494.85 and 86,707,961.90

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Solution

The fourth proportional to 159,456,329.90, 239,184,494.85 and 86,707,961.90 is: 130,061,942.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,456,329.90 : 239,184,494.85 = 86,707,961.90 : x
  2. Step 2: Convert to fraction form
    159,456,329.90/239,184,494.85 = 86,707,961.90/x
  3. Step 3: Cross multiply
    159,456,329.90x = 239,184,494.85 × 86,707,961.90
  4. Step 4: Simplify right side
    159,456,329.90x = 20,739,200,066,524,548
  5. Step 5: Solve for x
    x = 20,739,200,066,524,548/159,456,329.90
  6. Step 6: Final answer
    x = 130,061,942.85

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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.