Home / 108,364,009.75-149,542,333.46-64,903,945.75

Finding the Fourth Proportional to 108,364,009.75, 149,542,333.46 and 64,903,945.75

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Solution

The fourth proportional to 108,364,009.75, 149,542,333.46 and 64,903,945.75 is: 89,567,445.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,364,009.75 : 149,542,333.46 = 64,903,945.75 : x
  2. Step 2: Convert to fraction form
    108,364,009.75/149,542,333.46 = 64,903,945.75/x
  3. Step 3: Cross multiply
    108,364,009.75x = 149,542,333.46 × 64,903,945.75
  4. Step 4: Simplify right side
    108,364,009.75x = 9,705,887,498,216,250
  5. Step 5: Solve for x
    x = 9,705,887,498,216,250/108,364,009.75
  6. Step 6: Final answer
    x = 89,567,445.14

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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.