Home / 132,867,378.40-199,301,067.60-98,430,001.60

Finding the Fourth Proportional to 132,867,378.40, 199,301,067.60 and 98,430,001.60

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Solution

The fourth proportional to 132,867,378.40, 199,301,067.60 and 98,430,001.60 is: 147,645,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,867,378.40 : 199,301,067.60 = 98,430,001.60 : x
  2. Step 2: Convert to fraction form
    132,867,378.40/199,301,067.60 = 98,430,001.60/x
  3. Step 3: Cross multiply
    132,867,378.40x = 199,301,067.60 × 98,430,001.60
  4. Step 4: Simplify right side
    132,867,378.40x = 19,617,204,402,749,708
  5. Step 5: Solve for x
    x = 19,617,204,402,749,708/132,867,378.40
  6. Step 6: Final answer
    x = 147,645,002.40

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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.