Home / 101,073,177.20-139,480,983.45-54,663,431.11

Finding the Fourth Proportional to 101,073,177.20, 139,480,983.45 and 54,663,431.11

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Solution

The fourth proportional to 101,073,177.20, 139,480,983.45 and 54,663,431.11 is: 75,435,534.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,073,177.20 : 139,480,983.45 = 54,663,431.11 : x
  2. Step 2: Convert to fraction form
    101,073,177.20/139,480,983.45 = 54,663,431.11/x
  3. Step 3: Cross multiply
    101,073,177.20x = 139,480,983.45 × 54,663,431.11
  4. Step 4: Simplify right side
    101,073,177.20x = 7,624,509,129,625,422
  5. Step 5: Solve for x
    x = 7,624,509,129,625,422/101,073,177.20
  6. Step 6: Final answer
    x = 75,435,534.34

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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.