Home / 199,365,714.40-298,835,995.20-76,496,555.20

Finding the Fourth Proportional to 199,365,714.40, 298,835,995.20 and 76,496,555.20

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Solution

The fourth proportional to 199,365,714.40, 298,835,995.20 and 76,496,555.20 is: 114,663,267.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,365,714.40 : 298,835,995.20 = 76,496,555.20 : x
  2. Step 2: Convert to fraction form
    199,365,714.40/298,835,995.20 = 76,496,555.20/x
  3. Step 3: Cross multiply
    199,365,714.40x = 298,835,995.20 × 76,496,555.20
  4. Step 4: Simplify right side
    199,365,714.40x = 22,859,924,202,563,736
  5. Step 5: Solve for x
    x = 22,859,924,202,563,736/199,365,714.40
  6. Step 6: Final answer
    x = 114,663,267.31

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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.