Home / 356,156,661.55-491,496,239.54-197,397,034.31

Finding the Fourth Proportional to 356,156,661.55, 491,496,239.54 and 197,397,034.31

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Solution

The fourth proportional to 356,156,661.55, 491,496,239.54 and 197,397,034.31 is: 272,407,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,156,661.55 : 491,496,239.54 = 197,397,034.31 : x
  2. Step 2: Convert to fraction form
    356,156,661.55/491,496,239.54 = 197,397,034.31/x
  3. Step 3: Cross multiply
    356,156,661.55x = 491,496,239.54 × 197,397,034.31
  4. Step 4: Simplify right side
    356,156,661.55x = 97,019,900,059,955,120
  5. Step 5: Solve for x
    x = 97,019,900,059,955,120/356,156,661.55
  6. Step 6: Final answer
    x = 272,407,933.18

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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.