Home / 132,201,212.90-198,301,819.35-91,386,544.10

Finding the Fourth Proportional to 132,201,212.90, 198,301,819.35 and 91,386,544.10

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Solution

The fourth proportional to 132,201,212.90, 198,301,819.35 and 91,386,544.10 is: 137,079,816.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,201,212.90 : 198,301,819.35 = 91,386,544.10 : x
  2. Step 2: Convert to fraction form
    132,201,212.90/198,301,819.35 = 91,386,544.10/x
  3. Step 3: Cross multiply
    132,201,212.90x = 198,301,819.35 × 91,386,544.10
  4. Step 4: Simplify right side
    132,201,212.90x = 18,122,117,959,139,008
  5. Step 5: Solve for x
    x = 18,122,117,959,139,008/132,201,212.90
  6. Step 6: Final answer
    x = 137,079,816.15

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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.