Home / 143,014,694.80-214,522,042.20-47,276,582.80

Finding the Fourth Proportional to 143,014,694.80, 214,522,042.20 and 47,276,582.80

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Solution

The fourth proportional to 143,014,694.80, 214,522,042.20 and 47,276,582.80 is: 70,914,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,014,694.80 : 214,522,042.20 = 47,276,582.80 : x
  2. Step 2: Convert to fraction form
    143,014,694.80/214,522,042.20 = 47,276,582.80/x
  3. Step 3: Cross multiply
    143,014,694.80x = 214,522,042.20 × 47,276,582.80
  4. Step 4: Simplify right side
    143,014,694.80x = 10,141,869,090,493,392
  5. Step 5: Solve for x
    x = 10,141,869,090,493,392/143,014,694.80
  6. Step 6: Final answer
    x = 70,914,874.20

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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.