Home / 213,848,947.95-320,908,360.26-91,027,069.26

Finding the Fourth Proportional to 213,848,947.95, 320,908,360.26 and 91,027,069.26

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Solution

The fourth proportional to 213,848,947.95, 320,908,360.26 and 91,027,069.26 is: 136,598,041.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,848,947.95 : 320,908,360.26 = 91,027,069.26 : x
  2. Step 2: Convert to fraction form
    213,848,947.95/320,908,360.26 = 91,027,069.26/x
  3. Step 3: Cross multiply
    213,848,947.95x = 320,908,360.26 × 91,027,069.26
  4. Step 4: Simplify right side
    213,848,947.95x = 29,211,347,535,500,052
  5. Step 5: Solve for x
    x = 29,211,347,535,500,052/213,848,947.95
  6. Step 6: Final answer
    x = 136,598,041.82

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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.