Home / 125,687,293.62-173,445,745.23-72,766,232.69

Finding the Fourth Proportional to 125,687,293.62, 173,445,745.23 and 72,766,232.69

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Solution

The fourth proportional to 125,687,293.62, 173,445,745.23 and 72,766,232.69 is: 100,415,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,687,293.62 : 173,445,745.23 = 72,766,232.69 : x
  2. Step 2: Convert to fraction form
    125,687,293.62/173,445,745.23 = 72,766,232.69/x
  3. Step 3: Cross multiply
    125,687,293.62x = 173,445,745.23 × 72,766,232.69
  4. Step 4: Simplify right side
    125,687,293.62x = 12,620,993,456,496,636
  5. Step 5: Solve for x
    x = 12,620,993,456,496,636/125,687,293.62
  6. Step 6: Final answer
    x = 100,415,826.40

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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.