Home / 216,015,304.46-298,069,052.38-131,198,286.16

Finding the Fourth Proportional to 216,015,304.46, 298,069,052.38 and 131,198,286.16

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Solution

The fourth proportional to 216,015,304.46, 298,069,052.38 and 131,198,286.16 is: 181,034,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,015,304.46 : 298,069,052.38 = 131,198,286.16 : x
  2. Step 2: Convert to fraction form
    216,015,304.46/298,069,052.38 = 131,198,286.16/x
  3. Step 3: Cross multiply
    216,015,304.46x = 298,069,052.38 × 131,198,286.16
  4. Step 4: Simplify right side
    216,015,304.46x = 39,106,148,830,500,440
  5. Step 5: Solve for x
    x = 39,106,148,830,500,440/216,015,304.46
  6. Step 6: Final answer
    x = 181,034,158.33

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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.