Home / 101,771,235.12-140,444,198.15-55,361,378.33

Finding the Fourth Proportional to 101,771,235.12, 140,444,198.15 and 55,361,378.33

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Solution

The fourth proportional to 101,771,235.12, 140,444,198.15 and 55,361,378.33 is: 76,398,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,771,235.12 : 140,444,198.15 = 55,361,378.33 : x
  2. Step 2: Convert to fraction form
    101,771,235.12/140,444,198.15 = 55,361,378.33/x
  3. Step 3: Cross multiply
    101,771,235.12x = 140,444,198.15 × 55,361,378.33
  4. Step 4: Simplify right side
    101,771,235.12x = 7,775,184,387,056,609
  5. Step 5: Solve for x
    x = 7,775,184,387,056,609/101,771,235.12
  6. Step 6: Final answer
    x = 76,398,644.25

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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.