Home / 198,427,328.90-297,621,747.72-60,254,132.36

Finding the Fourth Proportional to 198,427,328.90, 297,621,747.72 and 60,254,132.36

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Solution

The fourth proportional to 198,427,328.90, 297,621,747.72 and 60,254,132.36 is: 90,375,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,427,328.90 : 297,621,747.72 = 60,254,132.36 : x
  2. Step 2: Convert to fraction form
    198,427,328.90/297,621,747.72 = 60,254,132.36/x
  3. Step 3: Cross multiply
    198,427,328.90x = 297,621,747.72 × 60,254,132.36
  4. Step 4: Simplify right side
    198,427,328.90x = 17,932,940,178,847,300
  5. Step 5: Solve for x
    x = 17,932,940,178,847,300/198,427,328.90
  6. Step 6: Final answer
    x = 90,375,354.44

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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.