Home / 82,219,011.66-123,288,160.86-40,671,884.52

Finding the Fourth Proportional to 82,219,011.66, 123,288,160.86 and 40,671,884.52

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Solution

The fourth proportional to 82,219,011.66, 123,288,160.86 and 40,671,884.52 is: 60,987,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,219,011.66 : 123,288,160.86 = 40,671,884.52 : x
  2. Step 2: Convert to fraction form
    82,219,011.66/123,288,160.86 = 40,671,884.52/x
  3. Step 3: Cross multiply
    82,219,011.66x = 123,288,160.86 × 40,671,884.52
  4. Step 4: Simplify right side
    82,219,011.66x = 5,014,361,841,181,104
  5. Step 5: Solve for x
    x = 5,014,361,841,181,104/82,219,011.66
  6. Step 6: Final answer
    x = 60,987,863.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.