Home / 50,983,321.02-76,489,037.40-20,299,448.16

Finding the Fourth Proportional to 50,983,321.02, 76,489,037.40 and 20,299,448.16

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Solution

The fourth proportional to 50,983,321.02, 76,489,037.40 and 20,299,448.16 is: 30,454,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,983,321.02 : 76,489,037.40 = 20,299,448.16 : x
  2. Step 2: Convert to fraction form
    50,983,321.02/76,489,037.40 = 20,299,448.16/x
  3. Step 3: Cross multiply
    50,983,321.02x = 76,489,037.40 × 20,299,448.16
  4. Step 4: Simplify right side
    50,983,321.02x = 1,552,685,249,509,601.25
  5. Step 5: Solve for x
    x = 1,552,685,249,509,601.25/50,983,321.02
  6. Step 6: Final answer
    x = 30,454,768.71

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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.