Home / 256,019,222.16-353,306,526.44-138,544,553.61

Finding the Fourth Proportional to 256,019,222.16, 353,306,526.44 and 138,544,553.61

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Solution

The fourth proportional to 256,019,222.16, 353,306,526.44 and 138,544,553.61 is: 191,191,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,019,222.16 : 353,306,526.44 = 138,544,553.61 : x
  2. Step 2: Convert to fraction form
    256,019,222.16/353,306,526.44 = 138,544,553.61/x
  3. Step 3: Cross multiply
    256,019,222.16x = 353,306,526.44 × 138,544,553.61
  4. Step 4: Simplify right side
    256,019,222.16x = 48,948,694,992,436,744
  5. Step 5: Solve for x
    x = 48,948,694,992,436,744/256,019,222.16
  6. Step 6: Final answer
    x = 191,191,483.90

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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.