Home / 106,345,279.40-159,517,919.10-91,039,778.60

Finding the Fourth Proportional to 106,345,279.40, 159,517,919.10 and 91,039,778.60

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Solution

The fourth proportional to 106,345,279.40, 159,517,919.10 and 91,039,778.60 is: 136,559,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,345,279.40 : 159,517,919.10 = 91,039,778.60 : x
  2. Step 2: Convert to fraction form
    106,345,279.40/159,517,919.10 = 91,039,778.60/x
  3. Step 3: Cross multiply
    106,345,279.40x = 159,517,919.10 × 91,039,778.60
  4. Step 4: Simplify right side
    106,345,279.40x = 14,522,476,037,596,710
  5. Step 5: Solve for x
    x = 14,522,476,037,596,710/106,345,279.40
  6. Step 6: Final answer
    x = 136,559,667.90

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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.