Home / 420,677,596.22-631,029,249.59-144,324,933.93

Finding the Fourth Proportional to 420,677,596.22, 631,029,249.59 and 144,324,933.93

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Solution

The fourth proportional to 420,677,596.22, 631,029,249.59 and 144,324,933.93 is: 216,491,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,677,596.22 : 631,029,249.59 = 144,324,933.93 : x
  2. Step 2: Convert to fraction form
    420,677,596.22/631,029,249.59 = 144,324,933.93/x
  3. Step 3: Cross multiply
    420,677,596.22x = 631,029,249.59 × 144,324,933.93
  4. Step 4: Simplify right side
    420,677,596.22x = 91,073,254,754,252,608
  5. Step 5: Solve for x
    x = 91,073,254,754,252,608/420,677,596.22
  6. Step 6: Final answer
    x = 216,491,811.24

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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.