Home / 51,117,352.96-76,654,832.64-20,804,638.72

Finding the Fourth Proportional to 51,117,352.96, 76,654,832.64 and 20,804,638.72

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Solution

The fourth proportional to 51,117,352.96, 76,654,832.64 and 20,804,638.72 is: 31,198,331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,117,352.96 : 76,654,832.64 = 20,804,638.72 : x
  2. Step 2: Convert to fraction form
    51,117,352.96/76,654,832.64 = 20,804,638.72/x
  3. Step 3: Cross multiply
    51,117,352.96x = 76,654,832.64 × 20,804,638.72
  4. Step 4: Simplify right side
    51,117,352.96x = 1,594,776,099,217,263.75
  5. Step 5: Solve for x
    x = 1,594,776,099,217,263.75/51,117,352.96
  6. Step 6: Final answer
    x = 31,198,331.03

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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.