Home / 178,837,621.20-268,256,431.80-168,256,040.40

Finding the Fourth Proportional to 178,837,621.20, 268,256,431.80 and 168,256,040.40

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Solution

The fourth proportional to 178,837,621.20, 268,256,431.80 and 168,256,040.40 is: 252,384,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,837,621.20 : 268,256,431.80 = 168,256,040.40 : x
  2. Step 2: Convert to fraction form
    178,837,621.20/268,256,431.80 = 168,256,040.40/x
  3. Step 3: Cross multiply
    178,837,621.20x = 268,256,431.80 × 168,256,040.40
  4. Step 4: Simplify right side
    178,837,621.20x = 45,135,765,026,500,648
  5. Step 5: Solve for x
    x = 45,135,765,026,500,648/178,837,621.20
  6. Step 6: Final answer
    x = 252,384,060.60

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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.