Home / 199,393,080.40-299,089,620.60-91,897,656.40

Finding the Fourth Proportional to 199,393,080.40, 299,089,620.60 and 91,897,656.40

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Solution

The fourth proportional to 199,393,080.40, 299,089,620.60 and 91,897,656.40 is: 137,846,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,393,080.40 : 299,089,620.60 = 91,897,656.40 : x
  2. Step 2: Convert to fraction form
    199,393,080.40/299,089,620.60 = 91,897,656.40/x
  3. Step 3: Cross multiply
    199,393,080.40x = 299,089,620.60 × 91,897,656.40
  4. Step 4: Simplify right side
    199,393,080.40x = 27,485,635,186,705,164
  5. Step 5: Solve for x
    x = 27,485,635,186,705,164/199,393,080.40
  6. Step 6: Final answer
    x = 137,846,484.60

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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.