Home / 98,217,246.40-147,325,869.60-76,534,453.60

Finding the Fourth Proportional to 98,217,246.40, 147,325,869.60 and 76,534,453.60

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Solution

The fourth proportional to 98,217,246.40, 147,325,869.60 and 76,534,453.60 is: 114,801,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,217,246.40 : 147,325,869.60 = 76,534,453.60 : x
  2. Step 2: Convert to fraction form
    98,217,246.40/147,325,869.60 = 76,534,453.60/x
  3. Step 3: Cross multiply
    98,217,246.40x = 147,325,869.60 × 76,534,453.60
  4. Step 4: Simplify right side
    98,217,246.40x = 11,275,504,930,980,850
  5. Step 5: Solve for x
    x = 11,275,504,930,980,850/98,217,246.40
  6. Step 6: Final answer
    x = 114,801,680.40

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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.