Home / 131,738,918.86-181,800,775.44-73,002,565.08

Finding the Fourth Proportional to 131,738,918.86, 181,800,775.44 and 73,002,565.08

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Solution

The fourth proportional to 131,738,918.86, 181,800,775.44 and 73,002,565.08 is: 100,744,131.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,738,918.86 : 181,800,775.44 = 73,002,565.08 : x
  2. Step 2: Convert to fraction form
    131,738,918.86/181,800,775.44 = 73,002,565.08/x
  3. Step 3: Cross multiply
    131,738,918.86x = 181,800,775.44 × 73,002,565.08
  4. Step 4: Simplify right side
    131,738,918.86x = 13,271,922,940,653,066
  5. Step 5: Solve for x
    x = 13,271,922,940,653,066/131,738,918.86
  6. Step 6: Final answer
    x = 100,744,131.31

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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.