Home / 77,278,440.20-115,917,660.30-41,446,632.20

Finding the Fourth Proportional to 77,278,440.20, 115,917,660.30 and 41,446,632.20

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Solution

The fourth proportional to 77,278,440.20, 115,917,660.30 and 41,446,632.20 is: 62,169,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,278,440.20 : 115,917,660.30 = 41,446,632.20 : x
  2. Step 2: Convert to fraction form
    77,278,440.20/115,917,660.30 = 41,446,632.20/x
  3. Step 3: Cross multiply
    77,278,440.20x = 115,917,660.30 × 41,446,632.20
  4. Step 4: Simplify right side
    77,278,440.20x = 4,804,396,631,938,642
  5. Step 5: Solve for x
    x = 4,804,396,631,938,642/77,278,440.20
  6. Step 6: Final answer
    x = 62,169,948.30

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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.