Home / 303,431,001.54-418,632,278.22-197,536,199.10

Finding the Fourth Proportional to 303,431,001.54, 418,632,278.22 and 197,536,199.10

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Solution

The fourth proportional to 303,431,001.54, 418,632,278.22 and 197,536,199.10 is: 272,533,223.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,431,001.54 : 418,632,278.22 = 197,536,199.10 : x
  2. Step 2: Convert to fraction form
    303,431,001.54/418,632,278.22 = 197,536,199.10/x
  3. Step 3: Cross multiply
    303,431,001.54x = 418,632,278.22 × 197,536,199.10
  4. Step 4: Simplify right side
    303,431,001.54x = 82,695,029,060,152,512
  5. Step 5: Solve for x
    x = 82,695,029,060,152,512/303,431,001.54
  6. Step 6: Final answer
    x = 272,533,223.83

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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.