Home / 74,697,189-103,167,151.38-50,208,387.72

Finding the Fourth Proportional to 74,697,189, 103,167,151.38 and 50,208,387.72

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Solution

The fourth proportional to 74,697,189, 103,167,151.38 and 50,208,387.72 is: 69,344,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,697,189 : 103,167,151.38 = 50,208,387.72 : x
  2. Step 2: Convert to fraction form
    74,697,189/103,167,151.38 = 50,208,387.72/x
  3. Step 3: Cross multiply
    74,697,189x = 103,167,151.38 × 50,208,387.72
  4. Step 4: Simplify right side
    74,697,189x = 5,179,856,336,454,973
  5. Step 5: Solve for x
    x = 5,179,856,336,454,973/74,697,189
  6. Step 6: Final answer
    x = 69,344,729.11

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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.