Home / 68,934,835.78-103,401,942.63-17,812,508.74

Finding the Fourth Proportional to 68,934,835.78, 103,401,942.63 and 17,812,508.74

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Solution

The fourth proportional to 68,934,835.78, 103,401,942.63 and 17,812,508.74 is: 26,718,682.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,934,835.78 : 103,401,942.63 = 17,812,508.74 : x
  2. Step 2: Convert to fraction form
    68,934,835.78/103,401,942.63 = 17,812,508.74/x
  3. Step 3: Cross multiply
    68,934,835.78x = 103,401,942.63 × 17,812,508.74
  4. Step 4: Simplify right side
    68,934,835.78x = 1,841,848,006,829,853.25
  5. Step 5: Solve for x
    x = 1,841,848,006,829,853.25/68,934,835.78
  6. Step 6: Final answer
    x = 26,718,682.74

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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.