Home / 82,247,617.60-123,334,101.60-31,112,641.60

Finding the Fourth Proportional to 82,247,617.60, 123,334,101.60 and 31,112,641.60

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Solution

The fourth proportional to 82,247,617.60, 123,334,101.60 and 31,112,641.60 is: 46,654,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,247,617.60 : 123,334,101.60 = 31,112,641.60 : x
  2. Step 2: Convert to fraction form
    82,247,617.60/123,334,101.60 = 31,112,641.60/x
  3. Step 3: Cross multiply
    82,247,617.60x = 123,334,101.60 × 31,112,641.60
  4. Step 4: Simplify right side
    82,247,617.60x = 3,837,249,700,138,786.50
  5. Step 5: Solve for x
    x = 3,837,249,700,138,786.50/82,247,617.60
  6. Step 6: Final answer
    x = 46,654,843.17

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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.