Home / 68,555,431.72-102,840,950.81-24,856,769.40

Finding the Fourth Proportional to 68,555,431.72, 102,840,950.81 and 24,856,769.40

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Solution

The fourth proportional to 68,555,431.72, 102,840,950.81 and 24,856,769.40 is: 37,287,983.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,555,431.72 : 102,840,950.81 = 24,856,769.40 : x
  2. Step 2: Convert to fraction form
    68,555,431.72/102,840,950.81 = 24,856,769.40/x
  3. Step 3: Cross multiply
    68,555,431.72x = 102,840,950.81 × 24,856,769.40
  4. Step 4: Simplify right side
    68,555,431.72x = 2,556,293,798,837,401.50
  5. Step 5: Solve for x
    x = 2,556,293,798,837,401.50/68,555,431.72
  6. Step 6: Final answer
    x = 37,287,983.38

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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.