Home / 125,219,501.40-187,741,244.46-55,156,485.09

Finding the Fourth Proportional to 125,219,501.40, 187,741,244.46 and 55,156,485.09

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Solution

The fourth proportional to 125,219,501.40, 187,741,244.46 and 55,156,485.09 is: 82,695,962.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,219,501.40 : 187,741,244.46 = 55,156,485.09 : x
  2. Step 2: Convert to fraction form
    125,219,501.40/187,741,244.46 = 55,156,485.09/x
  3. Step 3: Cross multiply
    125,219,501.40x = 187,741,244.46 × 55,156,485.09
  4. Step 4: Simplify right side
    125,219,501.40x = 10,355,147,150,836,036
  5. Step 5: Solve for x
    x = 10,355,147,150,836,036/125,219,501.40
  6. Step 6: Final answer
    x = 82,695,962.17

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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.