Home / 101,970,280.68-140,719,007.49-55,560,534.66

Finding the Fourth Proportional to 101,970,280.68, 140,719,007.49 and 55,560,534.66

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Solution

The fourth proportional to 101,970,280.68, 140,719,007.49 and 55,560,534.66 is: 76,673,548.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,970,280.68 : 140,719,007.49 = 55,560,534.66 : x
  2. Step 2: Convert to fraction form
    101,970,280.68/140,719,007.49 = 55,560,534.66/x
  3. Step 3: Cross multiply
    101,970,280.68x = 140,719,007.49 × 55,560,534.66
  4. Step 4: Simplify right side
    101,970,280.68x = 7,818,423,292,968,945
  5. Step 5: Solve for x
    x = 7,818,423,292,968,945/101,970,280.68
  6. Step 6: Final answer
    x = 76,673,548.81

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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.