Home / 65,873,863.17-90,904,821.35-36,505,135.89

Finding the Fourth Proportional to 65,873,863.17, 90,904,821.35 and 36,505,135.89

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Solution

The fourth proportional to 65,873,863.17, 90,904,821.35 and 36,505,135.89 is: 50,376,472.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,873,863.17 : 90,904,821.35 = 36,505,135.89 : x
  2. Step 2: Convert to fraction form
    65,873,863.17/90,904,821.35 = 36,505,135.89/x
  3. Step 3: Cross multiply
    65,873,863.17x = 90,904,821.35 × 36,505,135.89
  4. Step 4: Simplify right side
    65,873,863.17x = 3,318,492,856,255,397.50
  5. Step 5: Solve for x
    x = 3,318,492,856,255,397.50/65,873,863.17
  6. Step 6: Final answer
    x = 50,376,472.50

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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.