Home / 39,310,086.30-58,965,129.45-20,178,210.30

Finding the Fourth Proportional to 39,310,086.30, 58,965,129.45 and 20,178,210.30

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Solution

The fourth proportional to 39,310,086.30, 58,965,129.45 and 20,178,210.30 is: 30,267,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,310,086.30 : 58,965,129.45 = 20,178,210.30 : x
  2. Step 2: Convert to fraction form
    39,310,086.30/58,965,129.45 = 20,178,210.30/x
  3. Step 3: Cross multiply
    39,310,086.30x = 58,965,129.45 × 20,178,210.30
  4. Step 4: Simplify right side
    39,310,086.30x = 1,189,810,782,408,823.50
  5. Step 5: Solve for x
    x = 1,189,810,782,408,823.50/39,310,086.30
  6. Step 6: Final answer
    x = 30,267,315.45

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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.