Home / 90,687,760.98-135,997,167.51-29,267,712.65

Finding the Fourth Proportional to 90,687,760.98, 135,997,167.51 and 29,267,712.65

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Solution

The fourth proportional to 90,687,760.98, 135,997,167.51 and 29,267,712.65 is: 43,890,443.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,687,760.98 : 135,997,167.51 = 29,267,712.65 : x
  2. Step 2: Convert to fraction form
    90,687,760.98/135,997,167.51 = 29,267,712.65/x
  3. Step 3: Cross multiply
    90,687,760.98x = 135,997,167.51 × 29,267,712.65
  4. Step 4: Simplify right side
    90,687,760.98x = 3,980,326,019,216,610
  5. Step 5: Solve for x
    x = 3,980,326,019,216,610/90,687,760.98
  6. Step 6: Final answer
    x = 43,890,443.17

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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.