Home / 132,009,028.40-198,084,401.40-55,339,806.80

Finding the Fourth Proportional to 132,009,028.40, 198,084,401.40 and 55,339,806.80

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Solution

The fourth proportional to 132,009,028.40, 198,084,401.40 and 55,339,806.80 is: 83,039,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,009,028.40 : 198,084,401.40 = 55,339,806.80 : x
  2. Step 2: Convert to fraction form
    132,009,028.40/198,084,401.40 = 55,339,806.80/x
  3. Step 3: Cross multiply
    132,009,028.40x = 198,084,401.40 × 55,339,806.80
  4. Step 4: Simplify right side
    132,009,028.40x = 10,961,952,503,569,650
  5. Step 5: Solve for x
    x = 10,961,952,503,569,650/132,009,028.40
  6. Step 6: Final answer
    x = 83,039,415.08

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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.