Home / 199,635,587.20-299,453,380.80-133,878,620.80

Finding the Fourth Proportional to 199,635,587.20, 299,453,380.80 and 133,878,620.80

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Solution

The fourth proportional to 199,635,587.20, 299,453,380.80 and 133,878,620.80 is: 200,817,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,635,587.20 : 299,453,380.80 = 133,878,620.80 : x
  2. Step 2: Convert to fraction form
    199,635,587.20/299,453,380.80 = 133,878,620.80/x
  3. Step 3: Cross multiply
    199,635,587.20x = 299,453,380.80 × 133,878,620.80
  4. Step 4: Simplify right side
    199,635,587.20x = 40,090,405,615,401,200
  5. Step 5: Solve for x
    x = 40,090,405,615,401,200/199,635,587.20
  6. Step 6: Final answer
    x = 200,817,931.20

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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.