Home / 86,108,468.26-129,163,216.17-21,412,273.32

Finding the Fourth Proportional to 86,108,468.26, 129,163,216.17 and 21,412,273.32

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Solution

The fourth proportional to 86,108,468.26, 129,163,216.17 and 21,412,273.32 is: 32,118,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,108,468.26 : 129,163,216.17 = 21,412,273.32 : x
  2. Step 2: Convert to fraction form
    86,108,468.26/129,163,216.17 = 21,412,273.32/x
  3. Step 3: Cross multiply
    86,108,468.26x = 129,163,216.17 × 21,412,273.32
  4. Step 4: Simplify right side
    86,108,468.26x = 2,765,678,087,035,286.50
  5. Step 5: Solve for x
    x = 2,765,678,087,035,286.50/86,108,468.26
  6. Step 6: Final answer
    x = 32,118,537.74

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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.