Home / 57,093,265.80-78,786,599.36-30,987,223.11

Finding the Fourth Proportional to 57,093,265.80, 78,786,599.36 and 30,987,223.11

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Solution

The fourth proportional to 57,093,265.80, 78,786,599.36 and 30,987,223.11 is: 42,761,224.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,093,265.80 : 78,786,599.36 = 30,987,223.11 : x
  2. Step 2: Convert to fraction form
    57,093,265.80/78,786,599.36 = 30,987,223.11/x
  3. Step 3: Cross multiply
    57,093,265.80x = 78,786,599.36 × 30,987,223.11
  4. Step 4: Simplify right side
    57,093,265.80x = 2,441,377,932,291,567
  5. Step 5: Solve for x
    x = 2,441,377,932,291,567/57,093,265.80
  6. Step 6: Final answer
    x = 42,761,224.08

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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.