Home / 66,836,727.76-100,235,642.28-25,887,033.60

Finding the Fourth Proportional to 66,836,727.76, 100,235,642.28 and 25,887,033.60

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Solution

The fourth proportional to 66,836,727.76, 100,235,642.28 and 25,887,033.60 is: 38,823,017.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,836,727.76 : 100,235,642.28 = 25,887,033.60 : x
  2. Step 2: Convert to fraction form
    66,836,727.76/100,235,642.28 = 25,887,033.60/x
  3. Step 3: Cross multiply
    66,836,727.76x = 100,235,642.28 × 25,887,033.60
  4. Step 4: Simplify right side
    66,836,727.76x = 2,594,803,439,619,941
  5. Step 5: Solve for x
    x = 2,594,803,439,619,941/66,836,727.76
  6. Step 6: Final answer
    x = 38,823,017.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.