Home / 75,267,297.30-103,905,365.37-50,478,416.39

Finding the Fourth Proportional to 75,267,297.30, 103,905,365.37 and 50,478,416.39

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Solution

The fourth proportional to 75,267,297.30, 103,905,365.37 and 50,478,416.39 is: 69,684,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,267,297.30 : 103,905,365.37 = 50,478,416.39 : x
  2. Step 2: Convert to fraction form
    75,267,297.30/103,905,365.37 = 50,478,416.39/x
  3. Step 3: Cross multiply
    75,267,297.30x = 103,905,365.37 × 50,478,416.39
  4. Step 4: Simplify right side
    75,267,297.30x = 5,244,978,297,782,420
  5. Step 5: Solve for x
    x = 5,244,978,297,782,420/75,267,297.30
  6. Step 6: Final answer
    x = 69,684,690.24

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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.