Home / 77,278,440.70-115,917,661.05-41,446,632.70

Finding the Fourth Proportional to 77,278,440.70, 115,917,661.05 and 41,446,632.70

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Solution

The fourth proportional to 77,278,440.70, 115,917,661.05 and 41,446,632.70 is: 62,169,949.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,278,440.70 : 115,917,661.05 = 41,446,632.70 : x
  2. Step 2: Convert to fraction form
    77,278,440.70/115,917,661.05 = 41,446,632.70/x
  3. Step 3: Cross multiply
    77,278,440.70x = 115,917,661.05 × 41,446,632.70
  4. Step 4: Simplify right side
    77,278,440.70x = 4,804,396,720,982,447
  5. Step 5: Solve for x
    x = 4,804,396,720,982,447/77,278,440.70
  6. Step 6: Final answer
    x = 62,169,949.05

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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.