Home / 111,979,002-168,034,637.88-47,278,619.04

Finding the Fourth Proportional to 111,979,002, 168,034,637.88 and 47,278,619.04

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Solution

The fourth proportional to 111,979,002, 168,034,637.88 and 47,278,619.04 is: 70,945,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,979,002 : 168,034,637.88 = 47,278,619.04 : x
  2. Step 2: Convert to fraction form
    111,979,002/168,034,637.88 = 47,278,619.04/x
  3. Step 3: Cross multiply
    111,979,002x = 168,034,637.88 × 47,278,619.04
  4. Step 4: Simplify right side
    111,979,002x = 7,944,445,629,852,873
  5. Step 5: Solve for x
    x = 7,944,445,629,852,873/111,979,002
  6. Step 6: Final answer
    x = 70,945,851.35

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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.