Home / 118,872,002.40-178,308,003.60-91,964,968.80

Finding the Fourth Proportional to 118,872,002.40, 178,308,003.60 and 91,964,968.80

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Solution

The fourth proportional to 118,872,002.40, 178,308,003.60 and 91,964,968.80 is: 137,947,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,872,002.40 : 178,308,003.60 = 91,964,968.80 : x
  2. Step 2: Convert to fraction form
    118,872,002.40/178,308,003.60 = 91,964,968.80/x
  3. Step 3: Cross multiply
    118,872,002.40x = 178,308,003.60 × 91,964,968.80
  4. Step 4: Simplify right side
    118,872,002.40x = 16,398,089,987,864,286
  5. Step 5: Solve for x
    x = 16,398,089,987,864,286/118,872,002.40
  6. Step 6: Final answer
    x = 137,947,453.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.