Home / 72,929,971.82-109,354,575.99-29,829,445.76

Finding the Fourth Proportional to 72,929,971.82, 109,354,575.99 and 29,829,445.76

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Solution

The fourth proportional to 72,929,971.82, 109,354,575.99 and 29,829,445.76 is: 44,727,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,929,971.82 : 109,354,575.99 = 29,829,445.76 : x
  2. Step 2: Convert to fraction form
    72,929,971.82/109,354,575.99 = 29,829,445.76/x
  3. Step 3: Cross multiply
    72,929,971.82x = 109,354,575.99 × 29,829,445.76
  4. Step 4: Simplify right side
    72,929,971.82x = 3,261,986,393,101,503.50
  5. Step 5: Solve for x
    x = 3,261,986,393,101,503.50/72,929,971.82
  6. Step 6: Final answer
    x = 44,727,651.91

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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.