Home / 72,277,007.73-108,415,508.55-21,159,026.34

Finding the Fourth Proportional to 72,277,007.73, 108,415,508.55 and 21,159,026.34

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Solution

The fourth proportional to 72,277,007.73, 108,415,508.55 and 21,159,026.34 is: 31,738,538.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,277,007.73 : 108,415,508.55 = 21,159,026.34 : x
  2. Step 2: Convert to fraction form
    72,277,007.73/108,415,508.55 = 21,159,026.34/x
  3. Step 3: Cross multiply
    72,277,007.73x = 108,415,508.55 × 21,159,026.34
  4. Step 4: Simplify right side
    72,277,007.73x = 2,293,966,600,531,867.50
  5. Step 5: Solve for x
    x = 2,293,966,600,531,867.50/72,277,007.73
  6. Step 6: Final answer
    x = 31,738,538.61

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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.