Home / 220,571,996.40-330,870,436.20-67,223,055.60

Finding the Fourth Proportional to 220,571,996.40, 330,870,436.20 and 67,223,055.60

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Solution

The fourth proportional to 220,571,996.40, 330,870,436.20 and 67,223,055.60 is: 100,838,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,571,996.40 : 330,870,436.20 = 67,223,055.60 : x
  2. Step 2: Convert to fraction form
    220,571,996.40/330,870,436.20 = 67,223,055.60/x
  3. Step 3: Cross multiply
    220,571,996.40x = 330,870,436.20 × 67,223,055.60
  4. Step 4: Simplify right side
    220,571,996.40x = 22,242,121,729,068,848
  5. Step 5: Solve for x
    x = 22,242,121,729,068,848/220,571,996.40
  6. Step 6: Final answer
    x = 100,838,375.19

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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.