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Finding the Fourth Proportional to 73,751,703.90, 110,414,979.45 and 73,751,703.90

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Solution

The fourth proportional to 73,751,703.90, 110,414,979.45 and 73,751,703.90 is: 110,414,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,751,703.90 : 110,414,979.45 = 73,751,703.90 : x
  2. Step 2: Convert to fraction form
    73,751,703.90/110,414,979.45 = 73,751,703.90/x
  3. Step 3: Cross multiply
    73,751,703.90x = 110,414,979.45 × 73,751,703.90
  4. Step 4: Simplify right side
    73,751,703.90x = 8,143,292,870,520,986
  5. Step 5: Solve for x
    x = 8,143,292,870,520,986/73,751,703.90
  6. Step 6: Final answer
    x = 110,414,979.45

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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.