Home / 40,145,430.42-55,388,488.77-22,739,009.94

Finding the Fourth Proportional to 40,145,430.42, 55,388,488.77 and 22,739,009.94

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Solution

The fourth proportional to 40,145,430.42, 55,388,488.77 and 22,739,009.94 is: 31,372,920.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,145,430.42 : 55,388,488.77 = 22,739,009.94 : x
  2. Step 2: Convert to fraction form
    40,145,430.42/55,388,488.77 = 22,739,009.94/x
  3. Step 3: Cross multiply
    40,145,430.42x = 55,388,488.77 × 22,739,009.94
  4. Step 4: Simplify right side
    40,145,430.42x = 1,259,479,396,702,608.50
  5. Step 5: Solve for x
    x = 1,259,479,396,702,608.50/40,145,430.42
  6. Step 6: Final answer
    x = 31,372,920.49

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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.