Home / 57,430,193.16-86,161,969.26-18,567,815.88

Finding the Fourth Proportional to 57,430,193.16, 86,161,969.26 and 18,567,815.88

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Solution

The fourth proportional to 57,430,193.16, 86,161,969.26 and 18,567,815.88 is: 27,857,116.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,430,193.16 : 86,161,969.26 = 18,567,815.88 : x
  2. Step 2: Convert to fraction form
    57,430,193.16/86,161,969.26 = 18,567,815.88/x
  3. Step 3: Cross multiply
    57,430,193.16x = 86,161,969.26 × 18,567,815.88
  4. Step 4: Simplify right side
    57,430,193.16x = 1,599,839,581,077,899.75
  5. Step 5: Solve for x
    x = 1,599,839,581,077,899.75/57,430,193.16
  6. Step 6: Final answer
    x = 27,857,116.49

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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.