Home / 168,317,674.20-252,476,511.30-72,579,562.20

Finding the Fourth Proportional to 168,317,674.20, 252,476,511.30 and 72,579,562.20

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Solution

The fourth proportional to 168,317,674.20, 252,476,511.30 and 72,579,562.20 is: 108,869,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,317,674.20 : 252,476,511.30 = 72,579,562.20 : x
  2. Step 2: Convert to fraction form
    168,317,674.20/252,476,511.30 = 72,579,562.20/x
  3. Step 3: Cross multiply
    168,317,674.20x = 252,476,511.30 × 72,579,562.20
  4. Step 4: Simplify right side
    168,317,674.20x = 18,324,634,655,937,356
  5. Step 5: Solve for x
    x = 18,324,634,655,937,356/168,317,674.20
  6. Step 6: Final answer
    x = 108,869,343.30

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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.