Home / 132,138,309.60-198,207,464.40-104,928,530.40

Finding the Fourth Proportional to 132,138,309.60, 198,207,464.40 and 104,928,530.40

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Solution

The fourth proportional to 132,138,309.60, 198,207,464.40 and 104,928,530.40 is: 157,392,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,138,309.60 : 198,207,464.40 = 104,928,530.40 : x
  2. Step 2: Convert to fraction form
    132,138,309.60/198,207,464.40 = 104,928,530.40/x
  3. Step 3: Cross multiply
    132,138,309.60x = 198,207,464.40 × 104,928,530.40
  4. Step 4: Simplify right side
    132,138,309.60x = 20,797,617,953,802,320
  5. Step 5: Solve for x
    x = 20,797,617,953,802,320/132,138,309.60
  6. Step 6: Final answer
    x = 157,392,795.60

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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.