Home / 101,151,063.93-139,588,466.49-54,741,318.12

Finding the Fourth Proportional to 101,151,063.93, 139,588,466.49 and 54,741,318.12

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Solution

The fourth proportional to 101,151,063.93, 139,588,466.49 and 54,741,318.12 is: 75,543,018.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,151,063.93 : 139,588,466.49 = 54,741,318.12 : x
  2. Step 2: Convert to fraction form
    101,151,063.93/139,588,466.49 = 54,741,318.12/x
  3. Step 3: Cross multiply
    101,151,063.93x = 139,588,466.49 × 54,741,318.12
  4. Step 4: Simplify right side
    101,151,063.93x = 7,641,256,650,012,050
  5. Step 5: Solve for x
    x = 7,641,256,650,012,050/101,151,063.93
  6. Step 6: Final answer
    x = 75,543,018.07

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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.