Home / 168,085,247.40-252,108,934.34-45,272,553.77

Finding the Fourth Proportional to 168,085,247.40, 252,108,934.34 and 45,272,553.77

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Solution

The fourth proportional to 168,085,247.40, 252,108,934.34 and 45,272,553.77 is: 67,903,730.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,085,247.40 : 252,108,934.34 = 45,272,553.77 : x
  2. Step 2: Convert to fraction form
    168,085,247.40/252,108,934.34 = 45,272,553.77/x
  3. Step 3: Cross multiply
    168,085,247.40x = 252,108,934.34 × 45,272,553.77
  4. Step 4: Simplify right side
    168,085,247.40x = 11,413,615,284,318,142
  5. Step 5: Solve for x
    x = 11,413,615,284,318,142/168,085,247.40
  6. Step 6: Final answer
    x = 67,903,730.17

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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.