Home / 239,236,721.80-359,023,044.30-103,019,864.20

Finding the Fourth Proportional to 239,236,721.80, 359,023,044.30 and 103,019,864.20

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Solution

The fourth proportional to 239,236,721.80, 359,023,044.30 and 103,019,864.20 is: 154,602,123.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,236,721.80 : 359,023,044.30 = 103,019,864.20 : x
  2. Step 2: Convert to fraction form
    239,236,721.80/359,023,044.30 = 103,019,864.20/x
  3. Step 3: Cross multiply
    239,236,721.80x = 359,023,044.30 × 103,019,864.20
  4. Step 4: Simplify right side
    239,236,721.80x = 36,986,505,268,456,584
  5. Step 5: Solve for x
    x = 36,986,505,268,456,584/239,236,721.80
  6. Step 6: Final answer
    x = 154,602,123.75

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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.