Home / 139,937,016-193,103,750.88-80,400,227.52

Finding the Fourth Proportional to 139,937,016, 193,103,750.88 and 80,400,227.52

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Solution

The fourth proportional to 139,937,016, 193,103,750.88 and 80,400,227.52 is: 110,946,952.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,937,016 : 193,103,750.88 = 80,400,227.52 : x
  2. Step 2: Convert to fraction form
    139,937,016/193,103,750.88 = 80,400,227.52/x
  3. Step 3: Cross multiply
    139,937,016x = 193,103,750.88 × 80,400,227.52
  4. Step 4: Simplify right side
    139,937,016x = 15,525,585,505,717,400
  5. Step 5: Solve for x
    x = 15,525,585,505,717,400/139,937,016
  6. Step 6: Final answer
    x = 110,946,952.78

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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.