Home / 196,849,915.20-295,274,872.80-82,058,659.20

Finding the Fourth Proportional to 196,849,915.20, 295,274,872.80 and 82,058,659.20

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Solution

The fourth proportional to 196,849,915.20, 295,274,872.80 and 82,058,659.20 is: 123,087,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,849,915.20 : 295,274,872.80 = 82,058,659.20 : x
  2. Step 2: Convert to fraction form
    196,849,915.20/295,274,872.80 = 82,058,659.20/x
  3. Step 3: Cross multiply
    196,849,915.20x = 295,274,872.80 × 82,058,659.20
  4. Step 4: Simplify right side
    196,849,915.20x = 24,229,860,157,418,552
  5. Step 5: Solve for x
    x = 24,229,860,157,418,552/196,849,915.20
  6. Step 6: Final answer
    x = 123,087,988.80

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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.