Home / 74,418,472.72-111,730,343.48-51,334,668.56

Finding the Fourth Proportional to 74,418,472.72, 111,730,343.48 and 51,334,668.56

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Solution

The fourth proportional to 74,418,472.72, 111,730,343.48 and 51,334,668.56 is: 77,072,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,418,472.72 : 111,730,343.48 = 51,334,668.56 : x
  2. Step 2: Convert to fraction form
    74,418,472.72/111,730,343.48 = 51,334,668.56/x
  3. Step 3: Cross multiply
    74,418,472.72x = 111,730,343.48 × 51,334,668.56
  4. Step 4: Simplify right side
    74,418,472.72x = 5,735,640,150,640,757
  5. Step 5: Solve for x
    x = 5,735,640,150,640,757/74,418,472.72
  6. Step 6: Final answer
    x = 77,072,801.16

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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.