Home / 76,906,297.53-106,123,965.48-45,538,719.21

Finding the Fourth Proportional to 76,906,297.53, 106,123,965.48 and 45,538,719.21

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Solution

The fourth proportional to 76,906,297.53, 106,123,965.48 and 45,538,719.21 is: 62,839,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,906,297.53 : 106,123,965.48 = 45,538,719.21 : x
  2. Step 2: Convert to fraction form
    76,906,297.53/106,123,965.48 = 45,538,719.21/x
  3. Step 3: Cross multiply
    76,906,297.53x = 106,123,965.48 × 45,538,719.21
  4. Step 4: Simplify right side
    76,906,297.53x = 4,832,749,465,445,453
  5. Step 5: Solve for x
    x = 4,832,749,465,445,453/76,906,297.53
  6. Step 6: Final answer
    x = 62,839,450.35

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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.