Home / 52,129,849.20-71,934,436.77-30,932,975.69

Finding the Fourth Proportional to 52,129,849.20, 71,934,436.77 and 30,932,975.69

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Solution

The fourth proportional to 52,129,849.20, 71,934,436.77 and 30,932,975.69 is: 42,684,684.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,129,849.20 : 71,934,436.77 = 30,932,975.69 : x
  2. Step 2: Convert to fraction form
    52,129,849.20/71,934,436.77 = 30,932,975.69/x
  3. Step 3: Cross multiply
    52,129,849.20x = 71,934,436.77 × 30,932,975.69
  4. Step 4: Simplify right side
    52,129,849.20x = 2,225,146,183,674,335.25
  5. Step 5: Solve for x
    x = 2,225,146,183,674,335.25/52,129,849.20
  6. Step 6: Final answer
    x = 42,684,684.83

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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.