Home / 117,422,016.20-176,133,024.30-71,505,513.80

Finding the Fourth Proportional to 117,422,016.20, 176,133,024.30 and 71,505,513.80

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Solution

The fourth proportional to 117,422,016.20, 176,133,024.30 and 71,505,513.80 is: 107,258,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,422,016.20 : 176,133,024.30 = 71,505,513.80 : x
  2. Step 2: Convert to fraction form
    117,422,016.20/176,133,024.30 = 71,505,513.80/x
  3. Step 3: Cross multiply
    117,422,016.20x = 176,133,024.30 × 71,505,513.80
  4. Step 4: Simplify right side
    117,422,016.20x = 12,594,482,399,719,386
  5. Step 5: Solve for x
    x = 12,594,482,399,719,386/117,422,016.20
  6. Step 6: Final answer
    x = 107,258,270.70

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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.