Home / 104,328,312.04-156,288,892.38-68,317,345

Finding the Fourth Proportional to 104,328,312.04, 156,288,892.38 and 68,317,345

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Solution

The fourth proportional to 104,328,312.04, 156,288,892.38 and 68,317,345 is: 102,342,709.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,328,312.04 : 156,288,892.38 = 68,317,345 : x
  2. Step 2: Convert to fraction form
    104,328,312.04/156,288,892.38 = 68,317,345/x
  3. Step 3: Cross multiply
    104,328,312.04x = 156,288,892.38 × 68,317,345
  4. Step 4: Simplify right side
    104,328,312.04x = 10,677,242,180,392,330
  5. Step 5: Solve for x
    x = 10,677,242,180,392,330/104,328,312.04
  6. Step 6: Final answer
    x = 102,342,709.97

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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.