Home / 239,173,820.70-358,760,731.05-57,420,998.70

Finding the Fourth Proportional to 239,173,820.70, 358,760,731.05 and 57,420,998.70

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Solution

The fourth proportional to 239,173,820.70, 358,760,731.05 and 57,420,998.70 is: 86,131,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,173,820.70 : 358,760,731.05 = 57,420,998.70 : x
  2. Step 2: Convert to fraction form
    239,173,820.70/358,760,731.05 = 57,420,998.70/x
  3. Step 3: Cross multiply
    239,173,820.70x = 358,760,731.05 × 57,420,998.70
  4. Step 4: Simplify right side
    239,173,820.70x = 20,600,399,471,233,100
  5. Step 5: Solve for x
    x = 20,600,399,471,233,100/239,173,820.70
  6. Step 6: Final answer
    x = 86,131,498.05

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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.