Home / 197,701,520.36-272,828,094.03-109,595,294.78

Finding the Fourth Proportional to 197,701,520.36, 272,828,094.03 and 109,595,294.78

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Solution

The fourth proportional to 197,701,520.36, 272,828,094.03 and 109,595,294.78 is: 151,241,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,701,520.36 : 272,828,094.03 = 109,595,294.78 : x
  2. Step 2: Convert to fraction form
    197,701,520.36/272,828,094.03 = 109,595,294.78/x
  3. Step 3: Cross multiply
    197,701,520.36x = 272,828,094.03 × 109,595,294.78
  4. Step 4: Simplify right side
    197,701,520.36x = 29,900,675,388,119,268
  5. Step 5: Solve for x
    x = 29,900,675,388,119,268/197,701,520.36
  6. Step 6: Final answer
    x = 151,241,504.54

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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.