Home / 242,766,015.40-364,149,023.10-220,658,069.80

Finding the Fourth Proportional to 242,766,015.40, 364,149,023.10 and 220,658,069.80

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Solution

The fourth proportional to 242,766,015.40, 364,149,023.10 and 220,658,069.80 is: 330,987,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,766,015.40 : 364,149,023.10 = 220,658,069.80 : x
  2. Step 2: Convert to fraction form
    242,766,015.40/364,149,023.10 = 220,658,069.80/x
  3. Step 3: Cross multiply
    242,766,015.40x = 364,149,023.10 × 220,658,069.80
  4. Step 4: Simplify right side
    242,766,015.40x = 80,352,420,556,801,616
  5. Step 5: Solve for x
    x = 80,352,420,556,801,616/242,766,015.40
  6. Step 6: Final answer
    x = 330,987,104.70

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1.5x scale

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.