Home / 137,765,896.20-190,116,947.07-75,886,234.70

Finding the Fourth Proportional to 137,765,896.20, 190,116,947.07 and 75,886,234.70

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Solution

The fourth proportional to 137,765,896.20, 190,116,947.07 and 75,886,234.70 is: 104,723,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,765,896.20 : 190,116,947.07 = 75,886,234.70 : x
  2. Step 2: Convert to fraction form
    137,765,896.20/190,116,947.07 = 75,886,234.70/x
  3. Step 3: Cross multiply
    137,765,896.20x = 190,116,947.07 × 75,886,234.70
  4. Step 4: Simplify right side
    137,765,896.20x = 14,427,259,264,850,910
  5. Step 5: Solve for x
    x = 14,427,259,264,850,910/137,765,896.20
  6. Step 6: Final answer
    x = 104,723,009.56

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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.