Home / 103,277,817.82-154,890,910.41-30,480,149.98

Finding the Fourth Proportional to 103,277,817.82, 154,890,910.41 and 30,480,149.98

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Solution

The fourth proportional to 103,277,817.82, 154,890,910.41 and 30,480,149.98 is: 45,712,605.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,277,817.82 : 154,890,910.41 = 30,480,149.98 : x
  2. Step 2: Convert to fraction form
    103,277,817.82/154,890,910.41 = 30,480,149.98/x
  3. Step 3: Cross multiply
    103,277,817.82x = 154,890,910.41 × 30,480,149.98
  4. Step 4: Simplify right side
    103,277,817.82x = 4,721,098,179,835,543
  5. Step 5: Solve for x
    x = 4,721,098,179,835,543/103,277,817.82
  6. Step 6: Final answer
    x = 45,712,605.86

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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.