Home / 52,046,475.68-71,821,672.52-31,150,021.77

Finding the Fourth Proportional to 52,046,475.68, 71,821,672.52 and 31,150,021.77

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Solution

The fourth proportional to 52,046,475.68, 71,821,672.52 and 31,150,021.77 is: 42,985,555.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,046,475.68 : 71,821,672.52 = 31,150,021.77 : x
  2. Step 2: Convert to fraction form
    52,046,475.68/71,821,672.52 = 31,150,021.77/x
  3. Step 3: Cross multiply
    52,046,475.68x = 71,821,672.52 × 31,150,021.77
  4. Step 4: Simplify right side
    52,046,475.68x = 2,237,246,662,400,060.75
  5. Step 5: Solve for x
    x = 2,237,246,662,400,060.75/52,046,475.68
  6. Step 6: Final answer
    x = 42,985,555.37

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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.