Home / 75,801,424.32-113,702,156.73-21,222,049.68

Finding the Fourth Proportional to 75,801,424.32, 113,702,156.73 and 21,222,049.68

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Solution

The fourth proportional to 75,801,424.32, 113,702,156.73 and 21,222,049.68 is: 31,833,080.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,801,424.32 : 113,702,156.73 = 21,222,049.68 : x
  2. Step 2: Convert to fraction form
    75,801,424.32/113,702,156.73 = 21,222,049.68/x
  3. Step 3: Cross multiply
    75,801,424.32x = 113,702,156.73 × 21,222,049.68
  4. Step 4: Simplify right side
    75,801,424.32x = 2,412,992,818,847,206.50
  5. Step 5: Solve for x
    x = 2,412,992,818,847,206.50/75,801,424.32
  6. Step 6: Final answer
    x = 31,833,080.19

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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.