Home / 72,993,828.05-100,732,110.88-41,633,465.52

Finding the Fourth Proportional to 72,993,828.05, 100,732,110.88 and 41,633,465.52

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Solution

The fourth proportional to 72,993,828.05, 100,732,110.88 and 41,633,465.52 is: 57,454,540.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,993,828.05 : 100,732,110.88 = 41,633,465.52 : x
  2. Step 2: Convert to fraction form
    72,993,828.05/100,732,110.88 = 41,633,465.52/x
  3. Step 3: Cross multiply
    72,993,828.05x = 100,732,110.88 × 41,633,465.52
  4. Step 4: Simplify right side
    72,993,828.05x = 4,193,826,865,069,447.50
  5. Step 5: Solve for x
    x = 4,193,826,865,069,447.50/72,993,828.05
  6. Step 6: Final answer
    x = 57,454,540.71

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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.