Home / 77,333,355.05-106,693,912.13-43,839,242.96

Finding the Fourth Proportional to 77,333,355.05, 106,693,912.13 and 43,839,242.96

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Solution

The fourth proportional to 77,333,355.05, 106,693,912.13 and 43,839,242.96 is: 60,483,349.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,333,355.05 : 106,693,912.13 = 43,839,242.96 : x
  2. Step 2: Convert to fraction form
    77,333,355.05/106,693,912.13 = 43,839,242.96/x
  3. Step 3: Cross multiply
    77,333,355.05x = 106,693,912.13 × 43,839,242.96
  4. Step 4: Simplify right side
    77,333,355.05x = 4,677,380,335,467,295
  5. Step 5: Solve for x
    x = 4,677,380,335,467,295/77,333,355.05
  6. Step 6: Final answer
    x = 60,483,349.43

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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.