Home / 56,696,961.33-85,057,845.12-18,362,350.53

Finding the Fourth Proportional to 56,696,961.33, 85,057,845.12 and 18,362,350.53

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Solution

The fourth proportional to 56,696,961.33, 85,057,845.12 and 18,362,350.53 is: 27,547,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,696,961.33 : 85,057,845.12 = 18,362,350.53 : x
  2. Step 2: Convert to fraction form
    56,696,961.33/85,057,845.12 = 18,362,350.53/x
  3. Step 3: Cross multiply
    56,696,961.33x = 85,057,845.12 × 18,362,350.53
  4. Step 4: Simplify right side
    56,696,961.33x = 1,561,861,967,419,890
  5. Step 5: Solve for x
    x = 1,561,861,967,419,890/56,696,961.33
  6. Step 6: Final answer
    x = 27,547,542.77

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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.