Home / 180,198,337.20-270,297,505.80-98,285,564.40

Finding the Fourth Proportional to 180,198,337.20, 270,297,505.80 and 98,285,564.40

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Solution

The fourth proportional to 180,198,337.20, 270,297,505.80 and 98,285,564.40 is: 147,428,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,198,337.20 : 270,297,505.80 = 98,285,564.40 : x
  2. Step 2: Convert to fraction form
    180,198,337.20/270,297,505.80 = 98,285,564.40/x
  3. Step 3: Cross multiply
    180,198,337.20x = 270,297,505.80 × 98,285,564.40
  4. Step 4: Simplify right side
    180,198,337.20x = 26,566,342,913,465,276
  5. Step 5: Solve for x
    x = 26,566,342,913,465,276/180,198,337.20
  6. Step 6: Final answer
    x = 147,428,346.60

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1.5x scale

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.