Home / 298,930,991.40-448,467,345.90-153,387,016.20

Finding the Fourth Proportional to 298,930,991.40, 448,467,345.90 and 153,387,016.20

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Solution

The fourth proportional to 298,930,991.40, 448,467,345.90 and 153,387,016.20 is: 230,116,883.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,930,991.40 : 448,467,345.90 = 153,387,016.20 : x
  2. Step 2: Convert to fraction form
    298,930,991.40/448,467,345.90 = 153,387,016.20/x
  3. Step 3: Cross multiply
    298,930,991.40x = 448,467,345.90 × 153,387,016.20
  4. Step 4: Simplify right side
    298,930,991.40x = 68,789,068,050,734,296
  5. Step 5: Solve for x
    x = 68,789,068,050,734,296/298,930,991.40
  6. Step 6: Final answer
    x = 230,116,883.26

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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.