Home / 193,522,069.20-290,395,078.20-72,365,768.40

Finding the Fourth Proportional to 193,522,069.20, 290,395,078.20 and 72,365,768.40

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Solution

The fourth proportional to 193,522,069.20, 290,395,078.20 and 72,365,768.40 is: 108,590,524.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,522,069.20 : 290,395,078.20 = 72,365,768.40 : x
  2. Step 2: Convert to fraction form
    193,522,069.20/290,395,078.20 = 72,365,768.40/x
  3. Step 3: Cross multiply
    193,522,069.20x = 290,395,078.20 × 72,365,768.40
  4. Step 4: Simplify right side
    193,522,069.20x = 21,014,662,973,521,088
  5. Step 5: Solve for x
    x = 21,014,662,973,521,088/193,522,069.20
  6. Step 6: Final answer
    x = 108,590,524.38

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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.