Home / 156,763,093.10-216,338,616.85-86,204,087.06

Finding the Fourth Proportional to 156,763,093.10, 216,338,616.85 and 86,204,087.06

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Solution

The fourth proportional to 156,763,093.10, 216,338,616.85 and 86,204,087.06 is: 118,964,691.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,763,093.10 : 216,338,616.85 = 86,204,087.06 : x
  2. Step 2: Convert to fraction form
    156,763,093.10/216,338,616.85 = 86,204,087.06/x
  3. Step 3: Cross multiply
    156,763,093.10x = 216,338,616.85 × 86,204,087.06
  4. Step 4: Simplify right side
    156,763,093.10x = 18,649,272,961,377,384
  5. Step 5: Solve for x
    x = 18,649,272,961,377,384/156,763,093.10
  6. Step 6: Final answer
    x = 118,964,691.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.