Home / 172,204,329.83-258,307,446.11-42,811,940.12

Finding the Fourth Proportional to 172,204,329.83, 258,307,446.11 and 42,811,940.12

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Solution

The fourth proportional to 172,204,329.83, 258,307,446.11 and 42,811,940.12 is: 64,218,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,204,329.83 : 258,307,446.11 = 42,811,940.12 : x
  2. Step 2: Convert to fraction form
    172,204,329.83/258,307,446.11 = 42,811,940.12/x
  3. Step 3: Cross multiply
    172,204,329.83x = 258,307,446.11 × 42,811,940.12
  4. Step 4: Simplify right side
    172,204,329.83x = 11,058,642,913,905,850
  5. Step 5: Solve for x
    x = 11,058,642,913,905,850/172,204,329.83
  6. Step 6: Final answer
    x = 64,218,146.69

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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.