Home / 99,525,998.80-149,288,998.20-56,479,277.80

Finding the Fourth Proportional to 99,525,998.80, 149,288,998.20 and 56,479,277.80

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Solution

The fourth proportional to 99,525,998.80, 149,288,998.20 and 56,479,277.80 is: 84,718,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,525,998.80 : 149,288,998.20 = 56,479,277.80 : x
  2. Step 2: Convert to fraction form
    99,525,998.80/149,288,998.20 = 56,479,277.80/x
  3. Step 3: Cross multiply
    99,525,998.80x = 149,288,998.20 × 56,479,277.80
  4. Step 4: Simplify right side
    99,525,998.80x = 8,431,734,801,821,499
  5. Step 5: Solve for x
    x = 8,431,734,801,821,499/99,525,998.80
  6. Step 6: Final answer
    x = 84,718,916.70

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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.