Home / 74,160,921.60-111,288,621.60-43,455,441.60

Finding the Fourth Proportional to 74,160,921.60, 111,288,621.60 and 43,455,441.60

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Solution

The fourth proportional to 74,160,921.60, 111,288,621.60 and 43,455,441.60 is: 65,210,842.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,160,921.60 : 111,288,621.60 = 43,455,441.60 : x
  2. Step 2: Convert to fraction form
    74,160,921.60/111,288,621.60 = 43,455,441.60/x
  3. Step 3: Cross multiply
    74,160,921.60x = 111,288,621.60 × 43,455,441.60
  4. Step 4: Simplify right side
    74,160,921.60x = 4,836,096,196,683,298
  5. Step 5: Solve for x
    x = 4,836,096,196,683,298/74,160,921.60
  6. Step 6: Final answer
    x = 65,210,842.75

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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.