Home / 199,274,145.20-298,911,217.80-118,652,577.20

Finding the Fourth Proportional to 199,274,145.20, 298,911,217.80 and 118,652,577.20

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Solution

The fourth proportional to 199,274,145.20, 298,911,217.80 and 118,652,577.20 is: 177,978,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,274,145.20 : 298,911,217.80 = 118,652,577.20 : x
  2. Step 2: Convert to fraction form
    199,274,145.20/298,911,217.80 = 118,652,577.20/x
  3. Step 3: Cross multiply
    199,274,145.20x = 298,911,217.80 × 118,652,577.20
  4. Step 4: Simplify right side
    199,274,145.20x = 35,466,586,345,960,516
  5. Step 5: Solve for x
    x = 35,466,586,345,960,516/199,274,145.20
  6. Step 6: Final answer
    x = 177,978,865.80

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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.