Home / 147,622,801.20-221,434,201.80-43,991,806.20

Finding the Fourth Proportional to 147,622,801.20, 221,434,201.80 and 43,991,806.20

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Solution

The fourth proportional to 147,622,801.20, 221,434,201.80 and 43,991,806.20 is: 65,987,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,801.20 : 221,434,201.80 = 43,991,806.20 : x
  2. Step 2: Convert to fraction form
    147,622,801.20/221,434,201.80 = 43,991,806.20/x
  3. Step 3: Cross multiply
    147,622,801.20x = 221,434,201.80 × 43,991,806.20
  4. Step 4: Simplify right side
    147,622,801.20x = 9,741,290,491,637,292
  5. Step 5: Solve for x
    x = 9,741,290,491,637,292/147,622,801.20
  6. Step 6: Final answer
    x = 65,987,709.30

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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.