Home / 147,168,331.20-220,752,496.80-50,091,775.20

Finding the Fourth Proportional to 147,168,331.20, 220,752,496.80 and 50,091,775.20

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Solution

The fourth proportional to 147,168,331.20, 220,752,496.80 and 50,091,775.20 is: 75,137,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,168,331.20 : 220,752,496.80 = 50,091,775.20 : x
  2. Step 2: Convert to fraction form
    147,168,331.20/220,752,496.80 = 50,091,775.20/x
  3. Step 3: Cross multiply
    147,168,331.20x = 220,752,496.80 × 50,091,775.20
  4. Step 4: Simplify right side
    147,168,331.20x = 11,057,884,444,544,320
  5. Step 5: Solve for x
    x = 11,057,884,444,544,320/147,168,331.20
  6. Step 6: Final answer
    x = 75,137,662.80

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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.