Home / 85,978,444.92-118,650,261.46-46,820,209.96

Finding the Fourth Proportional to 85,978,444.92, 118,650,261.46 and 46,820,209.96

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Solution

The fourth proportional to 85,978,444.92, 118,650,261.46 and 46,820,209.96 is: 64,611,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,978,444.92 : 118,650,261.46 = 46,820,209.96 : x
  2. Step 2: Convert to fraction form
    85,978,444.92/118,650,261.46 = 46,820,209.96/x
  3. Step 3: Cross multiply
    85,978,444.92x = 118,650,261.46 × 46,820,209.96
  4. Step 4: Simplify right side
    85,978,444.92x = 5,555,230,153,366,096
  5. Step 5: Solve for x
    x = 5,555,230,153,366,096/85,978,444.92
  6. Step 6: Final answer
    x = 64,611,893.81

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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.