Home / 72,167,289-108,261,739.71-26,119,932.18

Finding the Fourth Proportional to 72,167,289, 108,261,739.71 and 26,119,932.18

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Solution

The fourth proportional to 72,167,289, 108,261,739.71 and 26,119,932.18 is: 39,183,809.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,167,289 : 108,261,739.71 = 26,119,932.18 : x
  2. Step 2: Convert to fraction form
    72,167,289/108,261,739.71 = 26,119,932.18/x
  3. Step 3: Cross multiply
    72,167,289x = 108,261,739.71 × 26,119,932.18
  4. Step 4: Simplify right side
    72,167,289x = 2,827,789,298,914,012.50
  5. Step 5: Solve for x
    x = 2,827,789,298,914,012.50/72,167,289
  6. Step 6: Final answer
    x = 39,183,809.43

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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.