Home / 193,548,016.20-290,322,024.30-78,587,632.20

Finding the Fourth Proportional to 193,548,016.20, 290,322,024.30 and 78,587,632.20

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Solution

The fourth proportional to 193,548,016.20, 290,322,024.30 and 78,587,632.20 is: 117,881,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,548,016.20 : 290,322,024.30 = 78,587,632.20 : x
  2. Step 2: Convert to fraction form
    193,548,016.20/290,322,024.30 = 78,587,632.20/x
  3. Step 3: Cross multiply
    193,548,016.20x = 290,322,024.30 × 78,587,632.20
  4. Step 4: Simplify right side
    193,548,016.20x = 22,815,720,465,247,864
  5. Step 5: Solve for x
    x = 22,815,720,465,247,864/193,548,016.20
  6. Step 6: Final answer
    x = 117,881,448.30

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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.