Home / 148,232,636.20-204,561,057.06-82,157,400.16

Finding the Fourth Proportional to 148,232,636.20, 204,561,057.06 and 82,157,400.16

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Solution

The fourth proportional to 148,232,636.20, 204,561,057.06 and 82,157,400.16 is: 113,377,222.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,232,636.20 : 204,561,057.06 = 82,157,400.16 : x
  2. Step 2: Convert to fraction form
    148,232,636.20/204,561,057.06 = 82,157,400.16/x
  3. Step 3: Cross multiply
    148,232,636.20x = 204,561,057.06 × 82,157,400.16
  4. Step 4: Simplify right side
    148,232,636.20x = 16,806,204,622,031,012
  5. Step 5: Solve for x
    x = 16,806,204,622,031,012/148,232,636.20
  6. Step 6: Final answer
    x = 113,377,222.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.