Home / 106,290,728.70-159,436,093.05-80,592,603.90

Finding the Fourth Proportional to 106,290,728.70, 159,436,093.05 and 80,592,603.90

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Solution

The fourth proportional to 106,290,728.70, 159,436,093.05 and 80,592,603.90 is: 120,888,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,290,728.70 : 159,436,093.05 = 80,592,603.90 : x
  2. Step 2: Convert to fraction form
    106,290,728.70/159,436,093.05 = 80,592,603.90/x
  3. Step 3: Cross multiply
    106,290,728.70x = 159,436,093.05 × 80,592,603.90
  4. Step 4: Simplify right side
    106,290,728.70x = 12,849,369,894,542,194
  5. Step 5: Solve for x
    x = 12,849,369,894,542,194/106,290,728.70
  6. Step 6: Final answer
    x = 120,888,905.85

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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.