Home / 74,940,667.56-103,361,062.02-64,504,446.12

Finding the Fourth Proportional to 74,940,667.56, 103,361,062.02 and 64,504,446.12

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Solution

The fourth proportional to 74,940,667.56, 103,361,062.02 and 64,504,446.12 is: 88,967,022.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,940,667.56 : 103,361,062.02 = 64,504,446.12 : x
  2. Step 2: Convert to fraction form
    74,940,667.56/103,361,062.02 = 64,504,446.12/x
  3. Step 3: Cross multiply
    74,940,667.56x = 103,361,062.02 × 64,504,446.12
  4. Step 4: Simplify right side
    74,940,667.56x = 6,667,248,055,975,068
  5. Step 5: Solve for x
    x = 6,667,248,055,975,068/74,940,667.56
  6. Step 6: Final answer
    x = 88,967,022.49

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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.