Home / 242,638,000.20-363,957,000.30-199,555,849.80

Finding the Fourth Proportional to 242,638,000.20, 363,957,000.30 and 199,555,849.80

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Solution

The fourth proportional to 242,638,000.20, 363,957,000.30 and 199,555,849.80 is: 299,333,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,638,000.20 : 363,957,000.30 = 199,555,849.80 : x
  2. Step 2: Convert to fraction form
    242,638,000.20/363,957,000.30 = 199,555,849.80/x
  3. Step 3: Cross multiply
    242,638,000.20x = 363,957,000.30 × 199,555,849.80
  4. Step 4: Simplify right side
    242,638,000.20x = 72,629,748,485,525,360
  5. Step 5: Solve for x
    x = 72,629,748,485,525,360/242,638,000.20
  6. Step 6: Final answer
    x = 299,333,774.70

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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.