Home / 363,338,200.80-545,015,021.22-130,184,099.28

Finding the Fourth Proportional to 363,338,200.80, 545,015,021.22 and 130,184,099.28

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Solution

The fourth proportional to 363,338,200.80, 545,015,021.22 and 130,184,099.28 is: 195,278,915.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,338,200.80 : 545,015,021.22 = 130,184,099.28 : x
  2. Step 2: Convert to fraction form
    363,338,200.80/545,015,021.22 = 130,184,099.28/x
  3. Step 3: Cross multiply
    363,338,200.80x = 545,015,021.22 × 130,184,099.28
  4. Step 4: Simplify right side
    363,338,200.80x = 70,952,289,631,595,792
  5. Step 5: Solve for x
    x = 70,952,289,631,595,792/363,338,200.80
  6. Step 6: Final answer
    x = 195,278,915.00

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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.