Home / 80,178,592.31-110,646,457.40-43,509,163.31

Finding the Fourth Proportional to 80,178,592.31, 110,646,457.40 and 43,509,163.31

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Solution

The fourth proportional to 80,178,592.31, 110,646,457.40 and 43,509,163.31 is: 60,042,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,178,592.31 : 110,646,457.40 = 43,509,163.31 : x
  2. Step 2: Convert to fraction form
    80,178,592.31/110,646,457.40 = 43,509,163.31/x
  3. Step 3: Cross multiply
    80,178,592.31x = 110,646,457.40 × 43,509,163.31
  4. Step 4: Simplify right side
    80,178,592.31x = 4,814,134,784,337,828
  5. Step 5: Solve for x
    x = 4,814,134,784,337,828/80,178,592.31
  6. Step 6: Final answer
    x = 60,042,645.37

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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.