Home / 247,622,540.40-371,433,810.60-243,796,165.20

Finding the Fourth Proportional to 247,622,540.40, 371,433,810.60 and 243,796,165.20

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Solution

The fourth proportional to 247,622,540.40, 371,433,810.60 and 243,796,165.20 is: 365,694,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,622,540.40 : 371,433,810.60 = 243,796,165.20 : x
  2. Step 2: Convert to fraction form
    247,622,540.40/371,433,810.60 = 243,796,165.20/x
  3. Step 3: Cross multiply
    247,622,540.40x = 371,433,810.60 × 243,796,165.20
  4. Step 4: Simplify right side
    247,622,540.40x = 90,554,138,649,903,120
  5. Step 5: Solve for x
    x = 90,554,138,649,903,120/247,622,540.40
  6. Step 6: Final answer
    x = 365,694,247.80

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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.