Home / 201,001,078.80-301,501,618.20-132,126,325.20

Finding the Fourth Proportional to 201,001,078.80, 301,501,618.20 and 132,126,325.20

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Solution

The fourth proportional to 201,001,078.80, 301,501,618.20 and 132,126,325.20 is: 198,189,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,001,078.80 : 301,501,618.20 = 132,126,325.20 : x
  2. Step 2: Convert to fraction form
    201,001,078.80/301,501,618.20 = 132,126,325.20/x
  3. Step 3: Cross multiply
    201,001,078.80x = 301,501,618.20 × 132,126,325.20
  4. Step 4: Simplify right side
    201,001,078.80x = 39,836,300,854,619,440
  5. Step 5: Solve for x
    x = 39,836,300,854,619,440/201,001,078.80
  6. Step 6: Final answer
    x = 198,189,487.80

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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.