Home / 57,093,685-78,789,371.88-30,988,212.38

Finding the Fourth Proportional to 57,093,685, 78,789,371.88 and 30,988,212.38

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Solution

The fourth proportional to 57,093,685, 78,789,371.88 and 30,988,212.38 is: 42,763,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,093,685 : 78,789,371.88 = 30,988,212.38 : x
  2. Step 2: Convert to fraction form
    57,093,685/78,789,371.88 = 30,988,212.38/x
  3. Step 3: Cross multiply
    57,093,685x = 78,789,371.88 × 30,988,212.38
  4. Step 4: Simplify right side
    57,093,685x = 2,441,541,789,104,239.50
  5. Step 5: Solve for x
    x = 2,441,541,789,104,239.50/57,093,685
  6. Step 6: Final answer
    x = 42,763,780.08

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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.