Home / 247,090,441.20-340,984,677.12-135,582,014.40

Finding the Fourth Proportional to 247,090,441.20, 340,984,677.12 and 135,582,014.40

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Solution

The fourth proportional to 247,090,441.20, 340,984,677.12 and 135,582,014.40 is: 187,103,107.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,090,441.20 : 340,984,677.12 = 135,582,014.40 : x
  2. Step 2: Convert to fraction form
    247,090,441.20/340,984,677.12 = 135,582,014.40/x
  3. Step 3: Cross multiply
    247,090,441.20x = 340,984,677.12 × 135,582,014.40
  4. Step 4: Simplify right side
    247,090,441.20x = 46,231,389,403,463,192
  5. Step 5: Solve for x
    x = 46,231,389,403,463,192/247,090,441.20
  6. Step 6: Final answer
    x = 187,103,107.59

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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.