Home / 147,231,866.24-203,180,782.56-85,388,871.68

Finding the Fourth Proportional to 147,231,866.24, 203,180,782.56 and 85,388,871.68

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Solution

The fourth proportional to 147,231,866.24, 203,180,782.56 and 85,388,871.68 is: 117,837,111.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,231,866.24 : 203,180,782.56 = 85,388,871.68 : x
  2. Step 2: Convert to fraction form
    147,231,866.24/203,180,782.56 = 85,388,871.68/x
  3. Step 3: Cross multiply
    147,231,866.24x = 203,180,782.56 × 85,388,871.68
  4. Step 4: Simplify right side
    147,231,866.24x = 17,349,377,769,857,824
  5. Step 5: Solve for x
    x = 17,349,377,769,857,824/147,231,866.24
  6. Step 6: Final answer
    x = 117,837,111.03

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