Home / 239,481,036.30-359,221,554.45-213,653,003.70

Finding the Fourth Proportional to 239,481,036.30, 359,221,554.45 and 213,653,003.70

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Solution

The fourth proportional to 239,481,036.30, 359,221,554.45 and 213,653,003.70 is: 320,479,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,481,036.30 : 359,221,554.45 = 213,653,003.70 : x
  2. Step 2: Convert to fraction form
    239,481,036.30/359,221,554.45 = 213,653,003.70/x
  3. Step 3: Cross multiply
    239,481,036.30x = 359,221,554.45 × 213,653,003.70
  4. Step 4: Simplify right side
    239,481,036.30x = 76,748,764,102,025,600
  5. Step 5: Solve for x
    x = 76,748,764,102,025,600/239,481,036.30
  6. Step 6: Final answer
    x = 320,479,505.55

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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.