Home / 71,109,805.19-98,139,495.11-40,171,967.37

Finding the Fourth Proportional to 71,109,805.19, 98,139,495.11 and 40,171,967.37

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Solution

The fourth proportional to 71,109,805.19, 98,139,495.11 and 40,171,967.37 is: 55,441,814.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,109,805.19 : 98,139,495.11 = 40,171,967.37 : x
  2. Step 2: Convert to fraction form
    71,109,805.19/98,139,495.11 = 40,171,967.37/x
  3. Step 3: Cross multiply
    71,109,805.19x = 98,139,495.11 × 40,171,967.37
  4. Step 4: Simplify right side
    71,109,805.19x = 3,942,456,595,066,334.50
  5. Step 5: Solve for x
    x = 3,942,456,595,066,334.50/71,109,805.19
  6. Step 6: Final answer
    x = 55,441,814.03

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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.