Home / 68,492,863.64-102,756,425.83-19,970,717.43

Finding the Fourth Proportional to 68,492,863.64, 102,756,425.83 and 19,970,717.43

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Solution

The fourth proportional to 68,492,863.64, 102,756,425.83 and 19,970,717.43 is: 29,961,070.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,492,863.64 : 102,756,425.83 = 19,970,717.43 : x
  2. Step 2: Convert to fraction form
    68,492,863.64/102,756,425.83 = 19,970,717.43/x
  3. Step 3: Cross multiply
    68,492,863.64x = 102,756,425.83 × 19,970,717.43
  4. Step 4: Simplify right side
    68,492,863.64x = 2,052,119,544,703,093
  5. Step 5: Solve for x
    x = 2,052,119,544,703,093/68,492,863.64
  6. Step 6: Final answer
    x = 29,961,070.91

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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.