Home / 68,634,104.23-102,951,073.71-17,516,128.51

Finding the Fourth Proportional to 68,634,104.23, 102,951,073.71 and 17,516,128.51

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Solution

The fourth proportional to 68,634,104.23, 102,951,073.71 and 17,516,128.51 is: 26,274,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,634,104.23 : 102,951,073.71 = 17,516,128.51 : x
  2. Step 2: Convert to fraction form
    68,634,104.23/102,951,073.71 = 17,516,128.51/x
  3. Step 3: Cross multiply
    68,634,104.23x = 102,951,073.71 × 17,516,128.51
  4. Step 4: Simplify right side
    68,634,104.23x = 1,803,304,237,346,842.50
  5. Step 5: Solve for x
    x = 1,803,304,237,346,842.50/68,634,104.23
  6. Step 6: Final answer
    x = 26,274,171.68

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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.