Home / 101,254,014.73-139,730,545.05-54,844,268.61

Finding the Fourth Proportional to 101,254,014.73, 139,730,545.05 and 54,844,268.61

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Solution

The fourth proportional to 101,254,014.73, 139,730,545.05 and 54,844,268.61 is: 75,685,093.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,254,014.73 : 139,730,545.05 = 54,844,268.61 : x
  2. Step 2: Convert to fraction form
    101,254,014.73/139,730,545.05 = 54,844,268.61/x
  3. Step 3: Cross multiply
    101,254,014.73x = 139,730,545.05 × 54,844,268.61
  4. Step 4: Simplify right side
    101,254,014.73x = 7,663,419,545,743,906
  5. Step 5: Solve for x
    x = 7,663,419,545,743,906/101,254,014.73
  6. Step 6: Final answer
    x = 75,685,093.24

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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.