Home / 115,651,222.18-159,597,196.50-66,091,027.66

Finding the Fourth Proportional to 115,651,222.18, 159,597,196.50 and 66,091,027.66

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Solution

The fourth proportional to 115,651,222.18, 159,597,196.50 and 66,091,027.66 is: 91,204,766.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,651,222.18 : 159,597,196.50 = 66,091,027.66 : x
  2. Step 2: Convert to fraction form
    115,651,222.18/159,597,196.50 = 66,091,027.66/x
  3. Step 3: Cross multiply
    115,651,222.18x = 159,597,196.50 × 66,091,027.66
  4. Step 4: Simplify right side
    115,651,222.18x = 10,547,942,728,339,954
  5. Step 5: Solve for x
    x = 10,547,942,728,339,954/115,651,222.18
  6. Step 6: Final answer
    x = 91,204,766.62

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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.