Home / 168,071,125.20-252,106,687.80-103,164,464.40

Finding the Fourth Proportional to 168,071,125.20, 252,106,687.80 and 103,164,464.40

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Solution

The fourth proportional to 168,071,125.20, 252,106,687.80 and 103,164,464.40 is: 154,746,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,071,125.20 : 252,106,687.80 = 103,164,464.40 : x
  2. Step 2: Convert to fraction form
    168,071,125.20/252,106,687.80 = 103,164,464.40/x
  3. Step 3: Cross multiply
    168,071,125.20x = 252,106,687.80 × 103,164,464.40
  4. Step 4: Simplify right side
    168,071,125.20x = 26,008,451,418,545,016
  5. Step 5: Solve for x
    x = 26,008,451,418,545,016/168,071,125.20
  6. Step 6: Final answer
    x = 154,746,696.60

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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.