Home / 78,059,858.56-107,722,499.16-43,254,802.96

Finding the Fourth Proportional to 78,059,858.56, 107,722,499.16 and 43,254,802.96

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Solution

The fourth proportional to 78,059,858.56, 107,722,499.16 and 43,254,802.96 is: 59,691,569.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,059,858.56 : 107,722,499.16 = 43,254,802.96 : x
  2. Step 2: Convert to fraction form
    78,059,858.56/107,722,499.16 = 43,254,802.96/x
  3. Step 3: Cross multiply
    78,059,858.56x = 107,722,499.16 × 43,254,802.96
  4. Step 4: Simplify right side
    78,059,858.56x = 4,659,515,475,524,565
  5. Step 5: Solve for x
    x = 4,659,515,475,524,565/78,059,858.56
  6. Step 6: Final answer
    x = 59,691,569.54

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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.