Home / 243,268,192-335,441,091.84-155,022,400

Finding the Fourth Proportional to 243,268,192, 335,441,091.84 and 155,022,400

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Solution

The fourth proportional to 243,268,192, 335,441,091.84 and 155,022,400 is: 213,759,483.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,268,192 : 335,441,091.84 = 155,022,400 : x
  2. Step 2: Convert to fraction form
    243,268,192/335,441,091.84 = 155,022,400/x
  3. Step 3: Cross multiply
    243,268,192x = 335,441,091.84 × 155,022,400
  4. Step 4: Simplify right side
    243,268,192x = 52,000,883,115,657,208
  5. Step 5: Solve for x
    x = 52,000,883,115,657,208/243,268,192
  6. Step 6: Final answer
    x = 213,759,483.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.