Home / 78,059,859.06-107,722,499.85-43,254,803.46

Finding the Fourth Proportional to 78,059,859.06, 107,722,499.85 and 43,254,803.46

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Solution

The fourth proportional to 78,059,859.06, 107,722,499.85 and 43,254,803.46 is: 59,691,570.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,059,859.06 : 107,722,499.85 = 43,254,803.46 : x
  2. Step 2: Convert to fraction form
    78,059,859.06/107,722,499.85 = 43,254,803.46/x
  3. Step 3: Cross multiply
    78,059,859.06x = 107,722,499.85 × 43,254,803.46
  4. Step 4: Simplify right side
    78,059,859.06x = 4,659,515,559,231,629
  5. Step 5: Solve for x
    x = 4,659,515,559,231,629/78,059,859.06
  6. Step 6: Final answer
    x = 59,691,570.23

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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.