Home / 75,628,430.20-113,442,645.30-73,948,814.20

Finding the Fourth Proportional to 75,628,430.20, 113,442,645.30 and 73,948,814.20

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Solution

The fourth proportional to 75,628,430.20, 113,442,645.30 and 73,948,814.20 is: 110,923,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,628,430.20 : 113,442,645.30 = 73,948,814.20 : x
  2. Step 2: Convert to fraction form
    75,628,430.20/113,442,645.30 = 73,948,814.20/x
  3. Step 3: Cross multiply
    75,628,430.20x = 113,442,645.30 × 73,948,814.20
  4. Step 4: Simplify right side
    75,628,430.20x = 8,388,949,099,646,203
  5. Step 5: Solve for x
    x = 8,388,949,099,646,203/75,628,430.20
  6. Step 6: Final answer
    x = 110,923,221.30

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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.