Home / 101,151,125.61-139,588,551.65-54,741,379.53

Finding the Fourth Proportional to 101,151,125.61, 139,588,551.65 and 54,741,379.53

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Solution

The fourth proportional to 101,151,125.61, 139,588,551.65 and 54,741,379.53 is: 75,543,102.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,151,125.61 : 139,588,551.65 = 54,741,379.53 : x
  2. Step 2: Convert to fraction form
    101,151,125.61/139,588,551.65 = 54,741,379.53/x
  3. Step 3: Cross multiply
    101,151,125.61x = 139,588,551.65 × 54,741,379.53
  4. Step 4: Simplify right side
    101,151,125.61x = 7,641,269,883,641,952
  5. Step 5: Solve for x
    x = 7,641,269,883,641,952/101,151,125.61
  6. Step 6: Final answer
    x = 75,543,102.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.