Home / 86,212,539.03-129,335,871.26-31,625,601.42

Finding the Fourth Proportional to 86,212,539.03, 129,335,871.26 and 31,625,601.42

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Solution

The fourth proportional to 86,212,539.03, 129,335,871.26 and 31,625,601.42 is: 47,444,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,212,539.03 : 129,335,871.26 = 31,625,601.42 : x
  2. Step 2: Convert to fraction form
    86,212,539.03/129,335,871.26 = 31,625,601.42/x
  3. Step 3: Cross multiply
    86,212,539.03x = 129,335,871.26 × 31,625,601.42
  4. Step 4: Simplify right side
    86,212,539.03x = 4,090,324,713,777,193.50
  5. Step 5: Solve for x
    x = 4,090,324,713,777,193.50/86,212,539.03
  6. Step 6: Final answer
    x = 47,444,661.30

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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.