Home / 78,366,477.66-108,145,808.31-43,084,883.04

Finding the Fourth Proportional to 78,366,477.66, 108,145,808.31 and 43,084,883.04

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Solution

The fourth proportional to 78,366,477.66, 108,145,808.31 and 43,084,883.04 is: 59,457,176.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,366,477.66 : 108,145,808.31 = 43,084,883.04 : x
  2. Step 2: Convert to fraction form
    78,366,477.66/108,145,808.31 = 43,084,883.04/x
  3. Step 3: Cross multiply
    78,366,477.66x = 108,145,808.31 × 43,084,883.04
  4. Step 4: Simplify right side
    78,366,477.66x = 4,659,449,502,302,610
  5. Step 5: Solve for x
    x = 4,659,449,502,302,610/78,366,477.66
  6. Step 6: Final answer
    x = 59,457,176.61

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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.