Home / 55,730,760.82-83,563,024.48-21,189,691.46

Finding the Fourth Proportional to 55,730,760.82, 83,563,024.48 and 21,189,691.46

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Solution

The fourth proportional to 55,730,760.82, 83,563,024.48 and 21,189,691.46 is: 31,771,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,730,760.82 : 83,563,024.48 = 21,189,691.46 : x
  2. Step 2: Convert to fraction form
    55,730,760.82/83,563,024.48 = 21,189,691.46/x
  3. Step 3: Cross multiply
    55,730,760.82x = 83,563,024.48 × 21,189,691.46
  4. Step 4: Simplify right side
    55,730,760.82x = 1,770,674,706,351,560.25
  5. Step 5: Solve for x
    x = 1,770,674,706,351,560.25/55,730,760.82
  6. Step 6: Final answer
    x = 31,771,945.70

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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.