Home / 192,456,009.60-288,684,014.40-106,149,991.20

Finding the Fourth Proportional to 192,456,009.60, 288,684,014.40 and 106,149,991.20

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Solution

The fourth proportional to 192,456,009.60, 288,684,014.40 and 106,149,991.20 is: 159,224,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456,009.60 : 288,684,014.40 = 106,149,991.20 : x
  2. Step 2: Convert to fraction form
    192,456,009.60/288,684,014.40 = 106,149,991.20/x
  3. Step 3: Cross multiply
    192,456,009.60x = 288,684,014.40 × 106,149,991.20
  4. Step 4: Simplify right side
    192,456,009.60x = 30,643,805,588,140,672
  5. Step 5: Solve for x
    x = 30,643,805,588,140,672/192,456,009.60
  6. Step 6: Final answer
    x = 159,224,986.80

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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.