Home / 31,372,146.95-43,298,699.43-26,136,853.43

Finding the Fourth Proportional to 31,372,146.95, 43,298,699.43 and 26,136,853.43

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Solution

The fourth proportional to 31,372,146.95, 43,298,699.43 and 26,136,853.43 is: 36,073,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372,146.95 : 43,298,699.43 = 26,136,853.43 : x
  2. Step 2: Convert to fraction form
    31,372,146.95/43,298,699.43 = 26,136,853.43/x
  3. Step 3: Cross multiply
    31,372,146.95x = 43,298,699.43 × 26,136,853.43
  4. Step 4: Simplify right side
    31,372,146.95x = 1,131,691,760,711,534.50
  5. Step 5: Solve for x
    x = 1,131,691,760,711,534.50/31,372,146.95
  6. Step 6: Final answer
    x = 36,073,137.18

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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.