Home / 51,224,021.72-70,712,972.52-30,309,478.28

Finding the Fourth Proportional to 51,224,021.72, 70,712,972.52 and 30,309,478.28

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Solution

The fourth proportional to 51,224,021.72, 70,712,972.52 and 30,309,478.28 is: 41,841,175.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,224,021.72 : 70,712,972.52 = 30,309,478.28 : x
  2. Step 2: Convert to fraction form
    51,224,021.72/70,712,972.52 = 30,309,478.28/x
  3. Step 3: Cross multiply
    51,224,021.72x = 70,712,972.52 × 30,309,478.28
  4. Step 4: Simplify right side
    51,224,021.72x = 2,143,273,304,709,176.75
  5. Step 5: Solve for x
    x = 2,143,273,304,709,176.75/51,224,021.72
  6. Step 6: Final answer
    x = 41,841,175.93

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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.