Home / 57,093,676.50-78,789,360.16-30,988,203.88

Finding the Fourth Proportional to 57,093,676.50, 78,789,360.16 and 30,988,203.88

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Solution

The fourth proportional to 57,093,676.50, 78,789,360.16 and 30,988,203.88 is: 42,763,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,093,676.50 : 78,789,360.16 = 30,988,203.88 : x
  2. Step 2: Convert to fraction form
    57,093,676.50/78,789,360.16 = 30,988,203.88/x
  3. Step 3: Cross multiply
    57,093,676.50x = 78,789,360.16 × 30,988,203.88
  4. Step 4: Simplify right side
    57,093,676.50x = 2,441,540,756,212,829
  5. Step 5: Solve for x
    x = 2,441,540,756,212,829/57,093,676.50
  6. Step 6: Final answer
    x = 42,763,768.35

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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.