Home / 363,458,329.47-545,198,584.32-142,120,829.34

Finding the Fourth Proportional to 363,458,329.47, 545,198,584.32 and 142,120,829.34

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Solution

The fourth proportional to 363,458,329.47, 545,198,584.32 and 142,120,829.34 is: 213,185,580.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,458,329.47 : 545,198,584.32 = 142,120,829.34 : x
  2. Step 2: Convert to fraction form
    363,458,329.47/545,198,584.32 = 142,120,829.34/x
  3. Step 3: Cross multiply
    363,458,329.47x = 545,198,584.32 × 142,120,829.34
  4. Step 4: Simplify right side
    363,458,329.47x = 77,484,074,958,552,336
  5. Step 5: Solve for x
    x = 77,484,074,958,552,336/363,458,329.47
  6. Step 6: Final answer
    x = 213,185,580.51

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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.