Home / 373,724,105.13-515,754,016.65-214,953,974.10

Finding the Fourth Proportional to 373,724,105.13, 515,754,016.65 and 214,953,974.10

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Solution

The fourth proportional to 373,724,105.13, 515,754,016.65 and 214,953,974.10 is: 296,644,968.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,724,105.13 : 515,754,016.65 = 214,953,974.10 : x
  2. Step 2: Convert to fraction form
    373,724,105.13/515,754,016.65 = 214,953,974.10/x
  3. Step 3: Cross multiply
    373,724,105.13x = 515,754,016.65 × 214,953,974.10
  4. Step 4: Simplify right side
    373,724,105.13x = 110,863,375,536,955,056
  5. Step 5: Solve for x
    x = 110,863,375,536,955,056/373,724,105.13
  6. Step 6: Final answer
    x = 296,644,968.88

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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.