Home / 67,303,516.56-100,972,260.72-18,781,329.84

Finding the Fourth Proportional to 67,303,516.56, 100,972,260.72 and 18,781,329.84

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Solution

The fourth proportional to 67,303,516.56, 100,972,260.72 and 18,781,329.84 is: 28,176,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,303,516.56 : 100,972,260.72 = 18,781,329.84 : x
  2. Step 2: Convert to fraction form
    67,303,516.56/100,972,260.72 = 18,781,329.84/x
  3. Step 3: Cross multiply
    67,303,516.56x = 100,972,260.72 × 18,781,329.84
  4. Step 4: Simplify right side
    67,303,516.56x = 1,896,393,333,272,795.75
  5. Step 5: Solve for x
    x = 1,896,393,333,272,795.75/67,303,516.56
  6. Step 6: Final answer
    x = 28,176,734.74

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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.