Home / 101,991,325.78-140,744,454.69-55,580,632.66

Finding the Fourth Proportional to 101,991,325.78, 140,744,454.69 and 55,580,632.66

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Solution

The fourth proportional to 101,991,325.78, 140,744,454.69 and 55,580,632.66 is: 76,699,324.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,991,325.78 : 140,744,454.69 = 55,580,632.66 : x
  2. Step 2: Convert to fraction form
    101,991,325.78/140,744,454.69 = 55,580,632.66/x
  3. Step 3: Cross multiply
    101,991,325.78x = 140,744,454.69 × 55,580,632.66
  4. Step 4: Simplify right side
    101,991,325.78x = 7,822,665,835,056,904
  5. Step 5: Solve for x
    x = 7,822,665,835,056,904/101,991,325.78
  6. Step 6: Final answer
    x = 76,699,324.92

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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.