Home / 74,418,473.72-111,730,344.98-51,334,669.56

Finding the Fourth Proportional to 74,418,473.72, 111,730,344.98 and 51,334,669.56

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Solution

The fourth proportional to 74,418,473.72, 111,730,344.98 and 51,334,669.56 is: 77,072,802.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,418,473.72 : 111,730,344.98 = 51,334,669.56 : x
  2. Step 2: Convert to fraction form
    74,418,473.72/111,730,344.98 = 51,334,669.56/x
  3. Step 3: Cross multiply
    74,418,473.72x = 111,730,344.98 × 51,334,669.56
  4. Step 4: Simplify right side
    74,418,473.72x = 5,735,640,339,373,105
  5. Step 5: Solve for x
    x = 5,735,640,339,373,105/74,418,473.72
  6. Step 6: Final answer
    x = 77,072,802.66

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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.