Home / 198,763,627.10-298,281,629.30-69,371,237.20

Finding the Fourth Proportional to 198,763,627.10, 298,281,629.30 and 69,371,237.20

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Solution

The fourth proportional to 198,763,627.10, 298,281,629.30 and 69,371,237.20 is: 104,104,387.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,763,627.10 : 298,281,629.30 = 69,371,237.20 : x
  2. Step 2: Convert to fraction form
    198,763,627.10/298,281,629.30 = 69,371,237.20/x
  3. Step 3: Cross multiply
    198,763,627.10x = 298,281,629.30 × 69,371,237.20
  4. Step 4: Simplify right side
    198,763,627.10x = 20,692,165,658,572,772
  5. Step 5: Solve for x
    x = 20,692,165,658,572,772/198,763,627.10
  6. Step 6: Final answer
    x = 104,104,387.51

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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.