Home / 193,550,005.20-290,325,007.80-132,237,800.40

Finding the Fourth Proportional to 193,550,005.20, 290,325,007.80 and 132,237,800.40

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Solution

The fourth proportional to 193,550,005.20, 290,325,007.80 and 132,237,800.40 is: 198,356,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,550,005.20 : 290,325,007.80 = 132,237,800.40 : x
  2. Step 2: Convert to fraction form
    193,550,005.20/290,325,007.80 = 132,237,800.40/x
  3. Step 3: Cross multiply
    193,550,005.20x = 290,325,007.80 × 132,237,800.40
  4. Step 4: Simplify right side
    193,550,005.20x = 38,391,940,432,584,848
  5. Step 5: Solve for x
    x = 38,391,940,432,584,848/193,550,005.20
  6. Step 6: Final answer
    x = 198,356,700.60

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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.