Home / 314,928,002.20-472,392,003.30-159,959,806.60

Finding the Fourth Proportional to 314,928,002.20, 472,392,003.30 and 159,959,806.60

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Solution

The fourth proportional to 314,928,002.20, 472,392,003.30 and 159,959,806.60 is: 239,939,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,002.20 : 472,392,003.30 = 159,959,806.60 : x
  2. Step 2: Convert to fraction form
    314,928,002.20/472,392,003.30 = 159,959,806.60/x
  3. Step 3: Cross multiply
    314,928,002.20x = 472,392,003.30 × 159,959,806.60
  4. Step 4: Simplify right side
    314,928,002.20x = 75,563,733,487,254,560
  5. Step 5: Solve for x
    x = 75,563,733,487,254,560/314,928,002.20
  6. Step 6: Final answer
    x = 239,939,709.90

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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.