Home / 78,079,645.03-116,421,414.80-75,934,455.43

Finding the Fourth Proportional to 78,079,645.03, 116,421,414.80 and 75,934,455.43

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Solution

The fourth proportional to 78,079,645.03, 116,421,414.80 and 75,934,455.43 is: 113,222,808.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,079,645.03 : 116,421,414.80 = 75,934,455.43 : x
  2. Step 2: Convert to fraction form
    78,079,645.03/116,421,414.80 = 75,934,455.43/x
  3. Step 3: Cross multiply
    78,079,645.03x = 116,421,414.80 × 75,934,455.43
  4. Step 4: Simplify right side
    78,079,645.03x = 8,840,396,733,228,143
  5. Step 5: Solve for x
    x = 8,840,396,733,228,143/78,079,645.03
  6. Step 6: Final answer
    x = 113,222,808.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.