Home / 309,773,545.56-427,471,264.44-170,517,107.88

Finding the Fourth Proportional to 309,773,545.56, 427,471,264.44 and 170,517,107.88

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Solution

The fourth proportional to 309,773,545.56, 427,471,264.44 and 170,517,107.88 is: 235,304,675.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,773,545.56 : 427,471,264.44 = 170,517,107.88 : x
  2. Step 2: Convert to fraction form
    309,773,545.56/427,471,264.44 = 170,517,107.88/x
  3. Step 3: Cross multiply
    309,773,545.56x = 427,471,264.44 × 170,517,107.88
  4. Step 4: Simplify right side
    309,773,545.56x = 72,891,163,714,115,488
  5. Step 5: Solve for x
    x = 72,891,163,714,115,488/309,773,545.56
  6. Step 6: Final answer
    x = 235,304,675.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.