Home / 101,970,253.68-140,718,970.32-55,560,507.60

Finding the Fourth Proportional to 101,970,253.68, 140,718,970.32 and 55,560,507.60

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Solution

The fourth proportional to 101,970,253.68, 140,718,970.32 and 55,560,507.60 is: 76,673,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,970,253.68 : 140,718,970.32 = 55,560,507.60 : x
  2. Step 2: Convert to fraction form
    101,970,253.68/140,718,970.32 = 55,560,507.60/x
  3. Step 3: Cross multiply
    101,970,253.68x = 140,718,970.32 × 55,560,507.60
  4. Step 4: Simplify right side
    101,970,253.68x = 7,818,417,419,928,534
  5. Step 5: Solve for x
    x = 7,818,417,419,928,534/101,970,253.68
  6. Step 6: Final answer
    x = 76,673,511.52

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1.5x scale

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.