Home / 220,391,164.60-330,586,746.90-99,458,812.60

Finding the Fourth Proportional to 220,391,164.60, 330,586,746.90 and 99,458,812.60

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Solution

The fourth proportional to 220,391,164.60, 330,586,746.90 and 99,458,812.60 is: 149,188,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,391,164.60 : 330,586,746.90 = 99,458,812.60 : x
  2. Step 2: Convert to fraction form
    220,391,164.60/330,586,746.90 = 99,458,812.60/x
  3. Step 3: Cross multiply
    220,391,164.60x = 330,586,746.90 × 99,458,812.60
  4. Step 4: Simplify right side
    220,391,164.60x = 32,879,765,307,970,728
  5. Step 5: Solve for x
    x = 32,879,765,307,970,728/220,391,164.60
  6. Step 6: Final answer
    x = 149,188,218.90

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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.