Home / 247,090,442.20-340,984,678.50-135,582,015.40

Finding the Fourth Proportional to 247,090,442.20, 340,984,678.50 and 135,582,015.40

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Solution

The fourth proportional to 247,090,442.20, 340,984,678.50 and 135,582,015.40 is: 187,103,108.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,090,442.20 : 340,984,678.50 = 135,582,015.40 : x
  2. Step 2: Convert to fraction form
    247,090,442.20/340,984,678.50 = 135,582,015.40/x
  3. Step 3: Cross multiply
    247,090,442.20x = 340,984,678.50 × 135,582,015.40
  4. Step 4: Simplify right side
    247,090,442.20x = 46,231,389,931,551,048
  5. Step 5: Solve for x
    x = 46,231,389,931,551,048/247,090,442.20
  6. Step 6: Final answer
    x = 187,103,108.97

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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.