Home / 242,887,519.18-335,155,971.78-137,034,763.48

Finding the Fourth Proportional to 242,887,519.18, 335,155,971.78 and 137,034,763.48

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Solution

The fourth proportional to 242,887,519.18, 335,155,971.78 and 137,034,763.48 is: 189,091,722.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,887,519.18 : 335,155,971.78 = 137,034,763.48 : x
  2. Step 2: Convert to fraction form
    242,887,519.18/335,155,971.78 = 137,034,763.48/x
  3. Step 3: Cross multiply
    242,887,519.18x = 335,155,971.78 × 137,034,763.48
  4. Step 4: Simplify right side
    242,887,519.18x = 45,928,019,322,200,792
  5. Step 5: Solve for x
    x = 45,928,019,322,200,792/242,887,519.18
  6. Step 6: Final answer
    x = 189,091,722.28

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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.