Home / 54,651,045.44-75,418,312.56-31,129,578.56

Finding the Fourth Proportional to 54,651,045.44, 75,418,312.56 and 31,129,578.56

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Solution

The fourth proportional to 54,651,045.44, 75,418,312.56 and 31,129,578.56 is: 42,958,744.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,651,045.44 : 75,418,312.56 = 31,129,578.56 : x
  2. Step 2: Convert to fraction form
    54,651,045.44/75,418,312.56 = 31,129,578.56/x
  3. Step 3: Cross multiply
    54,651,045.44x = 75,418,312.56 × 31,129,578.56
  4. Step 4: Simplify right side
    54,651,045.44x = 2,347,740,285,699,154.50
  5. Step 5: Solve for x
    x = 2,347,740,285,699,154.50/54,651,045.44
  6. Step 6: Final answer
    x = 42,958,744.28

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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.