Home / 89,666,362.80-123,735,757.50-49,971,781.35

Finding the Fourth Proportional to 89,666,362.80, 123,735,757.50 and 49,971,781.35

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Solution

The fourth proportional to 89,666,362.80, 123,735,757.50 and 49,971,781.35 is: 68,958,927.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,666,362.80 : 123,735,757.50 = 49,971,781.35 : x
  2. Step 2: Convert to fraction form
    89,666,362.80/123,735,757.50 = 49,971,781.35/x
  3. Step 3: Cross multiply
    89,666,362.80x = 123,735,757.50 × 49,971,781.35
  4. Step 4: Simplify right side
    89,666,362.80x = 6,183,296,218,966,623
  5. Step 5: Solve for x
    x = 6,183,296,218,966,623/89,666,362.80
  6. Step 6: Final answer
    x = 68,958,927.58

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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.