Home / 78,089,550.88-107,770,029.24-43,293,156.16

Finding the Fourth Proportional to 78,089,550.88, 107,770,029.24 and 43,293,156.16

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Solution

The fourth proportional to 78,089,550.88, 107,770,029.24 and 43,293,156.16 is: 59,748,130.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,089,550.88 : 107,770,029.24 = 43,293,156.16 : x
  2. Step 2: Convert to fraction form
    78,089,550.88/107,770,029.24 = 43,293,156.16/x
  3. Step 3: Cross multiply
    78,089,550.88x = 107,770,029.24 × 43,293,156.16
  4. Step 4: Simplify right side
    78,089,550.88x = 4,665,704,705,255,086
  5. Step 5: Solve for x
    x = 4,665,704,705,255,086/78,089,550.88
  6. Step 6: Final answer
    x = 59,748,130.87

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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.