Home / 216,015,304.97-298,069,053.07-131,198,286.67

Finding the Fourth Proportional to 216,015,304.97, 298,069,053.07 and 131,198,286.67

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Solution

The fourth proportional to 216,015,304.97, 298,069,053.07 and 131,198,286.67 is: 181,034,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,015,304.97 : 298,069,053.07 = 131,198,286.67 : x
  2. Step 2: Convert to fraction form
    216,015,304.97/298,069,053.07 = 131,198,286.67/x
  3. Step 3: Cross multiply
    216,015,304.97x = 298,069,053.07 × 131,198,286.67
  4. Step 4: Simplify right side
    216,015,304.97x = 39,106,149,070,642,960
  5. Step 5: Solve for x
    x = 39,106,149,070,642,960/216,015,304.97
  6. Step 6: Final answer
    x = 181,034,159.02

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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.