Home / 78,089,585.88-107,770,077.54-43,293,191.16

Finding the Fourth Proportional to 78,089,585.88, 107,770,077.54 and 43,293,191.16

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Solution

The fourth proportional to 78,089,585.88, 107,770,077.54 and 43,293,191.16 is: 59,748,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,089,585.88 : 107,770,077.54 = 43,293,191.16 : x
  2. Step 2: Convert to fraction form
    78,089,585.88/107,770,077.54 = 43,293,191.16/x
  3. Step 3: Cross multiply
    78,089,585.88x = 107,770,077.54 × 43,293,191.16
  4. Step 4: Simplify right side
    78,089,585.88x = 4,665,710,568,267,242
  5. Step 5: Solve for x
    x = 4,665,710,568,267,242/78,089,585.88
  6. Step 6: Final answer
    x = 59,748,179.17

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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.