Home / 68,634,135.20-102,951,120.08-17,516,159.48

Finding the Fourth Proportional to 68,634,135.20, 102,951,120.08 and 17,516,159.48

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Solution

The fourth proportional to 68,634,135.20, 102,951,120.08 and 17,516,159.48 is: 26,274,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,634,135.20 : 102,951,120.08 = 17,516,159.48 : x
  2. Step 2: Convert to fraction form
    68,634,135.20/102,951,120.08 = 17,516,159.48/x
  3. Step 3: Cross multiply
    68,634,135.20x = 102,951,120.08 × 17,516,159.48
  4. Step 4: Simplify right side
    68,634,135.20x = 1,803,308,238,267,078.75
  5. Step 5: Solve for x
    x = 1,803,308,238,267,078.75/68,634,135.20
  6. Step 6: Final answer
    x = 26,274,218.11

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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.