Home / 52,003,947.40-78,015,252.30-21,714,872.20

Finding the Fourth Proportional to 52,003,947.40, 78,015,252.30 and 21,714,872.20

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Solution

The fourth proportional to 52,003,947.40, 78,015,252.30 and 21,714,872.20 is: 32,576,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,003,947.40 : 78,015,252.30 = 21,714,872.20 : x
  2. Step 2: Convert to fraction form
    52,003,947.40/78,015,252.30 = 21,714,872.20/x
  3. Step 3: Cross multiply
    52,003,947.40x = 78,015,252.30 × 21,714,872.20
  4. Step 4: Simplify right side
    52,003,947.40x = 1,694,091,233,345,256
  5. Step 5: Solve for x
    x = 1,694,091,233,345,256/52,003,947.40
  6. Step 6: Final answer
    x = 32,576,204.65

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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.