Home / 101,970,287.10-140,719,016.34-55,560,540.87

Finding the Fourth Proportional to 101,970,287.10, 140,719,016.34 and 55,560,540.87

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Solution

The fourth proportional to 101,970,287.10, 140,719,016.34 and 55,560,540.87 is: 76,673,557.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,970,287.10 : 140,719,016.34 = 55,560,540.87 : x
  2. Step 2: Convert to fraction form
    101,970,287.10/140,719,016.34 = 55,560,540.87/x
  3. Step 3: Cross multiply
    101,970,287.10x = 140,719,016.34 × 55,560,540.87
  4. Step 4: Simplify right side
    101,970,287.10x = 7,818,424,658,544,768
  5. Step 5: Solve for x
    x = 7,818,424,658,544,768/101,970,287.10
  6. Step 6: Final answer
    x = 76,673,557.38

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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.