Home / 62,869,591.72-86,713,269.30-55,514,448.28

Finding the Fourth Proportional to 62,869,591.72, 86,713,269.30 and 55,514,448.28

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Solution

The fourth proportional to 62,869,591.72, 86,713,269.30 and 55,514,448.28 is: 76,568,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,869,591.72 : 86,713,269.30 = 55,514,448.28 : x
  2. Step 2: Convert to fraction form
    62,869,591.72/86,713,269.30 = 55,514,448.28/x
  3. Step 3: Cross multiply
    62,869,591.72x = 86,713,269.30 × 55,514,448.28
  4. Step 4: Simplify right side
    62,869,591.72x = 4,813,839,303,744,562
  5. Step 5: Solve for x
    x = 4,813,839,303,744,562/62,869,591.72
  6. Step 6: Final answer
    x = 76,568,642.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.