Home / 91,783,704.60-137,356,692.30-84,130,954.20

Finding the Fourth Proportional to 91,783,704.60, 137,356,692.30 and 84,130,954.20

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Solution

The fourth proportional to 91,783,704.60, 137,356,692.30 and 84,130,954.20 is: 125,904,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,783,704.60 : 137,356,692.30 = 84,130,954.20 : x
  2. Step 2: Convert to fraction form
    91,783,704.60/137,356,692.30 = 84,130,954.20/x
  3. Step 3: Cross multiply
    91,783,704.60x = 137,356,692.30 × 84,130,954.20
  4. Step 4: Simplify right side
    91,783,704.60x = 11,555,949,588,954,794
  5. Step 5: Solve for x
    x = 11,555,949,588,954,794/91,783,704.60
  6. Step 6: Final answer
    x = 125,904,153.02

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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.