Home / 101,822,124.78-140,544,141.57-66,545,236.98

Finding the Fourth Proportional to 101,822,124.78, 140,544,141.57 and 66,545,236.98

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Solution

The fourth proportional to 101,822,124.78, 140,544,141.57 and 66,545,236.98 is: 91,851,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,822,124.78 : 140,544,141.57 = 66,545,236.98 : x
  2. Step 2: Convert to fraction form
    101,822,124.78/140,544,141.57 = 66,545,236.98/x
  3. Step 3: Cross multiply
    101,822,124.78x = 140,544,141.57 × 66,545,236.98
  4. Step 4: Simplify right side
    101,822,124.78x = 9,352,543,206,926,318
  5. Step 5: Solve for x
    x = 9,352,543,206,926,318/101,822,124.78
  6. Step 6: Final answer
    x = 91,851,778.06

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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.