Home / 75,672,745.16-104,428,386.51-40,865,432.75

Finding the Fourth Proportional to 75,672,745.16, 104,428,386.51 and 40,865,432.75

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Solution

The fourth proportional to 75,672,745.16, 104,428,386.51 and 40,865,432.75 is: 56,394,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,672,745.16 : 104,428,386.51 = 40,865,432.75 : x
  2. Step 2: Convert to fraction form
    75,672,745.16/104,428,386.51 = 40,865,432.75/x
  3. Step 3: Cross multiply
    75,672,745.16x = 104,428,386.51 × 40,865,432.75
  4. Step 4: Simplify right side
    75,672,745.16x = 4,267,511,205,831,631
  5. Step 5: Solve for x
    x = 4,267,511,205,831,631/75,672,745.16
  6. Step 6: Final answer
    x = 56,394,296.22

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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.