Home / 147,632,130.30-221,448,195.45-140,241,819.90

Finding the Fourth Proportional to 147,632,130.30, 221,448,195.45 and 140,241,819.90

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Solution

The fourth proportional to 147,632,130.30, 221,448,195.45 and 140,241,819.90 is: 210,362,729.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,632,130.30 : 221,448,195.45 = 140,241,819.90 : x
  2. Step 2: Convert to fraction form
    147,632,130.30/221,448,195.45 = 140,241,819.90/x
  3. Step 3: Cross multiply
    147,632,130.30x = 221,448,195.45 × 140,241,819.90
  4. Step 4: Simplify right side
    147,632,130.30x = 31,056,297,943,478,900
  5. Step 5: Solve for x
    x = 31,056,297,943,478,900/147,632,130.30
  6. Step 6: Final answer
    x = 210,362,729.85

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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.