Home / 89,666,361.80-123,735,756.11-49,971,780.35

Finding the Fourth Proportional to 89,666,361.80, 123,735,756.11 and 49,971,780.35

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Solution

The fourth proportional to 89,666,361.80, 123,735,756.11 and 49,971,780.35 is: 68,958,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,666,361.80 : 123,735,756.11 = 49,971,780.35 : x
  2. Step 2: Convert to fraction form
    89,666,361.80/123,735,756.11 = 49,971,780.35/x
  3. Step 3: Cross multiply
    89,666,361.80x = 123,735,756.11 × 49,971,780.35
  4. Step 4: Simplify right side
    89,666,361.80x = 6,183,296,025,770,091
  5. Step 5: Solve for x
    x = 6,183,296,025,770,091/89,666,361.80
  6. Step 6: Final answer
    x = 68,958,926.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.