Home / 163,322,005.20-244,983,007.80-138,663,142.80

Finding the Fourth Proportional to 163,322,005.20, 244,983,007.80 and 138,663,142.80

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Solution

The fourth proportional to 163,322,005.20, 244,983,007.80 and 138,663,142.80 is: 207,994,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,322,005.20 : 244,983,007.80 = 138,663,142.80 : x
  2. Step 2: Convert to fraction form
    163,322,005.20/244,983,007.80 = 138,663,142.80/x
  3. Step 3: Cross multiply
    163,322,005.20x = 244,983,007.80 × 138,663,142.80
  4. Step 4: Simplify right side
    163,322,005.20x = 33,970,113,794,144,920
  5. Step 5: Solve for x
    x = 33,970,113,794,144,920/163,322,005.20
  6. Step 6: Final answer
    x = 207,994,714.20

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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.