Home / 55,007,631-75,912,892.74-30,561,345

Finding the Fourth Proportional to 55,007,631, 75,912,892.74 and 30,561,345

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Solution

The fourth proportional to 55,007,631, 75,912,892.74 and 30,561,345 is: 42,175,968.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,007,631 : 75,912,892.74 = 30,561,345 : x
  2. Step 2: Convert to fraction form
    55,007,631/75,912,892.74 = 30,561,345/x
  3. Step 3: Cross multiply
    55,007,631x = 75,912,892.74 × 30,561,345
  4. Step 4: Simplify right side
    55,007,631x = 2,320,000,104,975,135
  5. Step 5: Solve for x
    x = 2,320,000,104,975,135/55,007,631
  6. Step 6: Final answer
    x = 42,175,968.37

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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.