Home / 242,086,626.80-363,129,940.20-213,365,193.20

Finding the Fourth Proportional to 242,086,626.80, 363,129,940.20 and 213,365,193.20

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Solution

The fourth proportional to 242,086,626.80, 363,129,940.20 and 213,365,193.20 is: 320,047,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,086,626.80 : 363,129,940.20 = 213,365,193.20 : x
  2. Step 2: Convert to fraction form
    242,086,626.80/363,129,940.20 = 213,365,193.20/x
  3. Step 3: Cross multiply
    242,086,626.80x = 363,129,940.20 × 213,365,193.20
  4. Step 4: Simplify right side
    242,086,626.80x = 77,479,289,847,477,440
  5. Step 5: Solve for x
    x = 77,479,289,847,477,440/242,086,626.80
  6. Step 6: Final answer
    x = 320,047,789.80

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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.