Home / 81,202,254.06-121,810,538.70-22,910,442.66

Finding the Fourth Proportional to 81,202,254.06, 121,810,538.70 and 22,910,442.66

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Solution

The fourth proportional to 81,202,254.06, 121,810,538.70 and 22,910,442.66 is: 34,367,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,202,254.06 : 121,810,538.70 = 22,910,442.66 : x
  2. Step 2: Convert to fraction form
    81,202,254.06/121,810,538.70 = 22,910,442.66/x
  3. Step 3: Cross multiply
    81,202,254.06x = 121,810,538.70 × 22,910,442.66
  4. Step 4: Simplify right side
    81,202,254.06x = 2,790,733,362,270,061
  5. Step 5: Solve for x
    x = 2,790,733,362,270,061/81,202,254.06
  6. Step 6: Final answer
    x = 34,367,683.44

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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.