Home / 309,854,644.10-427,566,900.42-175,849,886.90

Finding the Fourth Proportional to 309,854,644.10, 427,566,900.42 and 175,849,886.90

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Solution

The fourth proportional to 309,854,644.10, 427,566,900.42 and 175,849,886.90 is: 242,654,394.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,854,644.10 : 427,566,900.42 = 175,849,886.90 : x
  2. Step 2: Convert to fraction form
    309,854,644.10/427,566,900.42 = 175,849,886.90/x
  3. Step 3: Cross multiply
    309,854,644.10x = 427,566,900.42 × 175,849,886.90
  4. Step 4: Simplify right side
    309,854,644.10x = 75,187,591,081,040,560
  5. Step 5: Solve for x
    x = 75,187,591,081,040,560/309,854,644.10
  6. Step 6: Final answer
    x = 242,654,394.61

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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.