Home / 163,279,969.20-244,584,030.60-82,546,426.80

Finding the Fourth Proportional to 163,279,969.20, 244,584,030.60 and 82,546,426.80

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Solution

The fourth proportional to 163,279,969.20, 244,584,030.60 and 82,546,426.80 is: 123,649,813.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,279,969.20 : 244,584,030.60 = 82,546,426.80 : x
  2. Step 2: Convert to fraction form
    163,279,969.20/244,584,030.60 = 82,546,426.80/x
  3. Step 3: Cross multiply
    163,279,969.20x = 244,584,030.60 × 82,546,426.80
  4. Step 4: Simplify right side
    163,279,969.20x = 20,189,537,778,371,860
  5. Step 5: Solve for x
    x = 20,189,537,778,371,860/163,279,969.20
  6. Step 6: Final answer
    x = 123,649,813.74

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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.