Home / 145,530,914.40-218,327,864.40-43,305,285.60

Finding the Fourth Proportional to 145,530,914.40, 218,327,864.40 and 43,305,285.60

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Solution

The fourth proportional to 145,530,914.40, 218,327,864.40 and 43,305,285.60 is: 64,967,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,530,914.40 : 218,327,864.40 = 43,305,285.60 : x
  2. Step 2: Convert to fraction form
    145,530,914.40/218,327,864.40 = 43,305,285.60/x
  3. Step 3: Cross multiply
    145,530,914.40x = 218,327,864.40 × 43,305,285.60
  4. Step 4: Simplify right side
    145,530,914.40x = 9,454,750,522,280,074
  5. Step 5: Solve for x
    x = 9,454,750,522,280,074/145,530,914.40
  6. Step 6: Final answer
    x = 64,967,299.64

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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.