Home / 73,081,904.52-100,844,891.44-40,478,691.72

Finding the Fourth Proportional to 73,081,904.52, 100,844,891.44 and 40,478,691.72

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Solution

The fourth proportional to 73,081,904.52, 100,844,891.44 and 40,478,691.72 is: 55,856,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,081,904.52 : 100,844,891.44 = 40,478,691.72 : x
  2. Step 2: Convert to fraction form
    73,081,904.52/100,844,891.44 = 40,478,691.72/x
  3. Step 3: Cross multiply
    73,081,904.52x = 100,844,891.44 × 40,478,691.72
  4. Step 4: Simplify right side
    73,081,904.52x = 4,082,069,272,136,626.50
  5. Step 5: Solve for x
    x = 4,082,069,272,136,626.50/73,081,904.52
  6. Step 6: Final answer
    x = 55,856,087.75

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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.