Home / 86,212,531.53-129,335,860.01-31,625,593.92

Finding the Fourth Proportional to 86,212,531.53, 129,335,860.01 and 31,625,593.92

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Solution

The fourth proportional to 86,212,531.53, 129,335,860.01 and 31,625,593.92 is: 47,444,650.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,212,531.53 : 129,335,860.01 = 31,625,593.92 : x
  2. Step 2: Convert to fraction form
    86,212,531.53/129,335,860.01 = 31,625,593.92/x
  3. Step 3: Cross multiply
    86,212,531.53x = 129,335,860.01 × 31,625,593.92
  4. Step 4: Simplify right side
    86,212,531.53x = 4,090,323,388,049,291.50
  5. Step 5: Solve for x
    x = 4,090,323,388,049,291.50/86,212,531.53
  6. Step 6: Final answer
    x = 47,444,650.05

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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.