Home / 147,906,066.80-221,859,100.20-71,210,601.20

Finding the Fourth Proportional to 147,906,066.80, 221,859,100.20 and 71,210,601.20

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Solution

The fourth proportional to 147,906,066.80, 221,859,100.20 and 71,210,601.20 is: 106,815,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,906,066.80 : 221,859,100.20 = 71,210,601.20 : x
  2. Step 2: Convert to fraction form
    147,906,066.80/221,859,100.20 = 71,210,601.20/x
  3. Step 3: Cross multiply
    147,906,066.80x = 221,859,100.20 × 71,210,601.20
  4. Step 4: Simplify right side
    147,906,066.80x = 15,798,719,906,933,040
  5. Step 5: Solve for x
    x = 15,798,719,906,933,040/147,906,066.80
  6. Step 6: Final answer
    x = 106,815,901.80

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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.