Home / 147,125,419.20-220,310,215.20-116,640,388.80

Finding the Fourth Proportional to 147,125,419.20, 220,310,215.20 and 116,640,388.80

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Solution

The fourth proportional to 147,125,419.20, 220,310,215.20 and 116,640,388.80 is: 174,660,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,125,419.20 : 220,310,215.20 = 116,640,388.80 : x
  2. Step 2: Convert to fraction form
    147,125,419.20/220,310,215.20 = 116,640,388.80/x
  3. Step 3: Cross multiply
    147,125,419.20x = 220,310,215.20 × 116,640,388.80
  4. Step 4: Simplify right side
    147,125,419.20x = 25,697,069,157,539,668
  5. Step 5: Solve for x
    x = 25,697,069,157,539,668/147,125,419.20
  6. Step 6: Final answer
    x = 174,660,974.95

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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.