Home / 135,806,516.92-187,413,014.82-73,927,318.60

Finding the Fourth Proportional to 135,806,516.92, 187,413,014.82 and 73,927,318.60

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Solution

The fourth proportional to 135,806,516.92, 187,413,014.82 and 73,927,318.60 is: 102,019,711.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,806,516.92 : 187,413,014.82 = 73,927,318.60 : x
  2. Step 2: Convert to fraction form
    135,806,516.92/187,413,014.82 = 73,927,318.60/x
  3. Step 3: Cross multiply
    135,806,516.92x = 187,413,014.82 × 73,927,318.60
  4. Step 4: Simplify right side
    135,806,516.92x = 13,854,941,656,384,660
  5. Step 5: Solve for x
    x = 13,854,941,656,384,660/135,806,516.92
  6. Step 6: Final answer
    x = 102,019,711.36

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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.