Home / 206,939,183.58-310,426,717.77-75,817,078.20

Finding the Fourth Proportional to 206,939,183.58, 310,426,717.77 and 75,817,078.20

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Solution

The fourth proportional to 206,939,183.58, 310,426,717.77 and 75,817,078.20 is: 113,732,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,939,183.58 : 310,426,717.77 = 75,817,078.20 : x
  2. Step 2: Convert to fraction form
    206,939,183.58/310,426,717.77 = 75,817,078.20/x
  3. Step 3: Cross multiply
    206,939,183.58x = 310,426,717.77 × 75,817,078.20
  4. Step 4: Simplify right side
    206,939,183.58x = 23,535,646,736,537,420
  5. Step 5: Solve for x
    x = 23,535,646,736,537,420/206,939,183.58
  6. Step 6: Final answer
    x = 113,732,190.92

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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.