Home / 65,658,992.72-98,493,573.24-21,939,902.96

Finding the Fourth Proportional to 65,658,992.72, 98,493,573.24 and 21,939,902.96

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Solution

The fourth proportional to 65,658,992.72, 98,493,573.24 and 21,939,902.96 is: 32,911,553.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,658,992.72 : 98,493,573.24 = 21,939,902.96 : x
  2. Step 2: Convert to fraction form
    65,658,992.72/98,493,573.24 = 21,939,902.96/x
  3. Step 3: Cross multiply
    65,658,992.72x = 98,493,573.24 × 21,939,902.96
  4. Step 4: Simplify right side
    65,658,992.72x = 2,160,939,439,069,252.75
  5. Step 5: Solve for x
    x = 2,160,939,439,069,252.75/65,658,992.72
  6. Step 6: Final answer
    x = 32,911,553.31

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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.