Home / 68,634,103.74-102,951,072.96-17,516,128.02

Finding the Fourth Proportional to 68,634,103.74, 102,951,072.96 and 17,516,128.02

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Solution

The fourth proportional to 68,634,103.74, 102,951,072.96 and 17,516,128.02 is: 26,274,170.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,634,103.74 : 102,951,072.96 = 17,516,128.02 : x
  2. Step 2: Convert to fraction form
    68,634,103.74/102,951,072.96 = 17,516,128.02/x
  3. Step 3: Cross multiply
    68,634,103.74x = 102,951,072.96 × 17,516,128.02
  4. Step 4: Simplify right side
    68,634,103.74x = 1,803,304,173,763,720.25
  5. Step 5: Solve for x
    x = 1,803,304,173,763,720.25/68,634,103.74
  6. Step 6: Final answer
    x = 26,274,170.94

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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.