Home / 168,339,931.20-252,509,896.80-163,301,083.20

Finding the Fourth Proportional to 168,339,931.20, 252,509,896.80 and 163,301,083.20

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Solution

The fourth proportional to 168,339,931.20, 252,509,896.80 and 163,301,083.20 is: 244,951,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,339,931.20 : 252,509,896.80 = 163,301,083.20 : x
  2. Step 2: Convert to fraction form
    168,339,931.20/252,509,896.80 = 163,301,083.20/x
  3. Step 3: Cross multiply
    168,339,931.20x = 252,509,896.80 × 163,301,083.20
  4. Step 4: Simplify right side
    168,339,931.20x = 41,235,139,666,160,216
  5. Step 5: Solve for x
    x = 41,235,139,666,160,216/168,339,931.20
  6. Step 6: Final answer
    x = 244,951,624.80

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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.