Home / 76,135,030.80-105,068,194.92-41,329,147.92

Finding the Fourth Proportional to 76,135,030.80, 105,068,194.92 and 41,329,147.92

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Solution

The fourth proportional to 76,135,030.80, 105,068,194.92 and 41,329,147.92 is: 57,035,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,135,030.80 : 105,068,194.92 = 41,329,147.92 : x
  2. Step 2: Convert to fraction form
    76,135,030.80/105,068,194.92 = 41,329,147.92/x
  3. Step 3: Cross multiply
    76,135,030.80x = 105,068,194.92 × 41,329,147.92
  4. Step 4: Simplify right side
    76,135,030.80x = 4,342,378,969,536,073
  5. Step 5: Solve for x
    x = 4,342,378,969,536,073/76,135,030.80
  6. Step 6: Final answer
    x = 57,035,229.70

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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.