Home / 75,777,121.88-104,564,619.30-55,941,437.06

Finding the Fourth Proportional to 75,777,121.88, 104,564,619.30 and 55,941,437.06

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Solution

The fourth proportional to 75,777,121.88, 104,564,619.30 and 55,941,437.06 is: 77,193,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,777,121.88 : 104,564,619.30 = 55,941,437.06 : x
  2. Step 2: Convert to fraction form
    75,777,121.88/104,564,619.30 = 55,941,437.06/x
  3. Step 3: Cross multiply
    75,777,121.88x = 104,564,619.30 × 55,941,437.06
  4. Step 4: Simplify right side
    75,777,121.88x = 5,849,495,069,273,811
  5. Step 5: Solve for x
    x = 5,849,495,069,273,811/75,777,121.88
  6. Step 6: Final answer
    x = 77,193,418.33

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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.