Home / 245,621,467.80-368,432,201.70-208,633,174.20

Finding the Fourth Proportional to 245,621,467.80, 368,432,201.70 and 208,633,174.20

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Solution

The fourth proportional to 245,621,467.80, 368,432,201.70 and 208,633,174.20 is: 312,949,761.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,621,467.80 : 368,432,201.70 = 208,633,174.20 : x
  2. Step 2: Convert to fraction form
    245,621,467.80/368,432,201.70 = 208,633,174.20/x
  3. Step 3: Cross multiply
    245,621,467.80x = 368,432,201.70 × 208,633,174.20
  4. Step 4: Simplify right side
    245,621,467.80x = 76,867,179,718,165,632
  5. Step 5: Solve for x
    x = 76,867,179,718,165,632/245,621,467.80
  6. Step 6: Final answer
    x = 312,949,761.30

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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.