Home / 55,226,977.66-82,852,424.52-21,148,324.75

Finding the Fourth Proportional to 55,226,977.66, 82,852,424.52 and 21,148,324.75

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Solution

The fourth proportional to 55,226,977.66, 82,852,424.52 and 21,148,324.75 is: 31,727,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,226,977.66 : 82,852,424.52 = 21,148,324.75 : x
  2. Step 2: Convert to fraction form
    55,226,977.66/82,852,424.52 = 21,148,324.75/x
  3. Step 3: Cross multiply
    55,226,977.66x = 82,852,424.52 × 21,148,324.75
  4. Step 4: Simplify right side
    55,226,977.66x = 1,752,189,979,813,820.75
  5. Step 5: Solve for x
    x = 1,752,189,979,813,820.75/55,226,977.66
  6. Step 6: Final answer
    x = 31,727,066.27

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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.