Home / 112,422,509.66-155,131,119.39-62,178,744.20

Finding the Fourth Proportional to 112,422,509.66, 155,131,119.39 and 62,178,744.20

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Solution

The fourth proportional to 112,422,509.66, 155,131,119.39 and 62,178,744.20 is: 85,800,061.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,422,509.66 : 155,131,119.39 = 62,178,744.20 : x
  2. Step 2: Convert to fraction form
    112,422,509.66/155,131,119.39 = 62,178,744.20/x
  3. Step 3: Cross multiply
    112,422,509.66x = 155,131,119.39 × 62,178,744.20
  4. Step 4: Simplify right side
    112,422,509.66x = 9,645,858,190,010,470
  5. Step 5: Solve for x
    x = 9,645,858,190,010,470/112,422,509.66
  6. Step 6: Final answer
    x = 85,800,061.03

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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.