Home / 81,266,009.44-112,146,755.56-48,253,433.98

Finding the Fourth Proportional to 81,266,009.44, 112,146,755.56 and 48,253,433.98

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Solution

The fourth proportional to 81,266,009.44, 112,146,755.56 and 48,253,433.98 is: 66,589,538.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,266,009.44 : 112,146,755.56 = 48,253,433.98 : x
  2. Step 2: Convert to fraction form
    81,266,009.44/112,146,755.56 = 48,253,433.98/x
  3. Step 3: Cross multiply
    81,266,009.44x = 112,146,755.56 × 48,253,433.98
  4. Step 4: Simplify right side
    81,266,009.44x = 5,411,466,065,084,658
  5. Step 5: Solve for x
    x = 5,411,466,065,084,658/81,266,009.44
  6. Step 6: Final answer
    x = 66,589,538.51

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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.