Home / 363,831,602.40-545,747,403.60-133,753,078.80

Finding the Fourth Proportional to 363,831,602.40, 545,747,403.60 and 133,753,078.80

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Solution

The fourth proportional to 363,831,602.40, 545,747,403.60 and 133,753,078.80 is: 200,629,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,831,602.40 : 545,747,403.60 = 133,753,078.80 : x
  2. Step 2: Convert to fraction form
    363,831,602.40/545,747,403.60 = 133,753,078.80/x
  3. Step 3: Cross multiply
    363,831,602.40x = 545,747,403.60 × 133,753,078.80
  4. Step 4: Simplify right side
    363,831,602.40x = 72,995,395,478,606,208
  5. Step 5: Solve for x
    x = 72,995,395,478,606,208/363,831,602.40
  6. Step 6: Final answer
    x = 200,629,618.20

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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.