Home / 147,640,836.60-221,408,110.80-74,833,419.60

Finding the Fourth Proportional to 147,640,836.60, 221,408,110.80 and 74,833,419.60

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Solution

The fourth proportional to 147,640,836.60, 221,408,110.80 and 74,833,419.60 is: 112,223,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,640,836.60 : 221,408,110.80 = 74,833,419.60 : x
  2. Step 2: Convert to fraction form
    147,640,836.60/221,408,110.80 = 74,833,419.60/x
  3. Step 3: Cross multiply
    147,640,836.60x = 221,408,110.80 × 74,833,419.60
  4. Step 4: Simplify right side
    147,640,836.60x = 16,568,726,058,339,692
  5. Step 5: Solve for x
    x = 16,568,726,058,339,692/147,640,836.60
  6. Step 6: Final answer
    x = 112,223,192.71

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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.