Home / 31,675,477.53-43,712,158.98-17,188,789.53

Finding the Fourth Proportional to 31,675,477.53, 43,712,158.98 and 17,188,789.53

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Solution

The fourth proportional to 31,675,477.53, 43,712,158.98 and 17,188,789.53 is: 23,720,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675,477.53 : 43,712,158.98 = 17,188,789.53 : x
  2. Step 2: Convert to fraction form
    31,675,477.53/43,712,158.98 = 17,188,789.53/x
  3. Step 3: Cross multiply
    31,675,477.53x = 43,712,158.98 × 17,188,789.53
  4. Step 4: Simplify right side
    31,675,477.53x = 751,359,100,609,119.50
  5. Step 5: Solve for x
    x = 751,359,100,609,119.50/31,675,477.53
  6. Step 6: Final answer
    x = 23,720,529.55

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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.