Home / 135,582,156.52-187,102,046.82-73,698,813.16

Finding the Fourth Proportional to 135,582,156.52, 187,102,046.82 and 73,698,813.16

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Solution

The fourth proportional to 135,582,156.52, 187,102,046.82 and 73,698,813.16 is: 101,703,639.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,582,156.52 : 187,102,046.82 = 73,698,813.16 : x
  2. Step 2: Convert to fraction form
    135,582,156.52/187,102,046.82 = 73,698,813.16/x
  3. Step 3: Cross multiply
    135,582,156.52x = 187,102,046.82 × 73,698,813.16
  4. Step 4: Simplify right side
    135,582,156.52x = 13,789,198,790,440,750
  5. Step 5: Solve for x
    x = 13,789,198,790,440,750/135,582,156.52
  6. Step 6: Final answer
    x = 101,703,639.66

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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.