Home / 198,146,525.40-297,219,788.10-124,967,099.70

Finding the Fourth Proportional to 198,146,525.40, 297,219,788.10 and 124,967,099.70

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Solution

The fourth proportional to 198,146,525.40, 297,219,788.10 and 124,967,099.70 is: 187,450,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,146,525.40 : 297,219,788.10 = 124,967,099.70 : x
  2. Step 2: Convert to fraction form
    198,146,525.40/297,219,788.10 = 124,967,099.70/x
  3. Step 3: Cross multiply
    198,146,525.40x = 297,219,788.10 × 124,967,099.70
  4. Step 4: Simplify right side
    198,146,525.40x = 37,142,694,892,305,576
  5. Step 5: Solve for x
    x = 37,142,694,892,305,576/198,146,525.40
  6. Step 6: Final answer
    x = 187,450,649.55

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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.