Home / 143,185,334.43-214,690,102.92-55,644,637.20

Finding the Fourth Proportional to 143,185,334.43, 214,690,102.92 and 55,644,637.20

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Solution

The fourth proportional to 143,185,334.43, 214,690,102.92 and 55,644,637.20 is: 83,432,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,185,334.43 : 214,690,102.92 = 55,644,637.20 : x
  2. Step 2: Convert to fraction form
    143,185,334.43/214,690,102.92 = 55,644,637.20/x
  3. Step 3: Cross multiply
    143,185,334.43x = 214,690,102.92 × 55,644,637.20
  4. Step 4: Simplify right side
    143,185,334.43x = 11,946,352,888,577,104
  5. Step 5: Solve for x
    x = 11,946,352,888,577,104/143,185,334.43
  6. Step 6: Final answer
    x = 83,432,796.64

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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.