Home / 89,666,357.74-123,735,750.51-49,971,776.28

Finding the Fourth Proportional to 89,666,357.74, 123,735,750.51 and 49,971,776.28

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Solution

The fourth proportional to 89,666,357.74, 123,735,750.51 and 49,971,776.28 is: 68,958,920.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,666,357.74 : 123,735,750.51 = 49,971,776.28 : x
  2. Step 2: Convert to fraction form
    89,666,357.74/123,735,750.51 = 49,971,776.28/x
  3. Step 3: Cross multiply
    89,666,357.74x = 123,735,750.51 × 49,971,776.28
  4. Step 4: Simplify right side
    89,666,357.74x = 6,183,295,241,766,159
  5. Step 5: Solve for x
    x = 6,183,295,241,766,159/89,666,357.74
  6. Step 6: Final answer
    x = 68,958,920.58

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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.