Home / 55,025,954.20-75,855,781.02-38,454,628.60

Finding the Fourth Proportional to 55,025,954.20, 75,855,781.02 and 38,454,628.60

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Solution

The fourth proportional to 55,025,954.20, 75,855,781.02 and 38,454,628.60 is: 53,011,454.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,025,954.20 : 75,855,781.02 = 38,454,628.60 : x
  2. Step 2: Convert to fraction form
    55,025,954.20/75,855,781.02 = 38,454,628.60/x
  3. Step 3: Cross multiply
    55,025,954.20x = 75,855,781.02 × 38,454,628.60
  4. Step 4: Simplify right side
    55,025,954.20x = 2,917,005,886,287,029
  5. Step 5: Solve for x
    x = 2,917,005,886,287,029/55,025,954.20
  6. Step 6: Final answer
    x = 53,011,454.84

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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.