Home / 197,608,040.64-272,700,720.76-109,503,509.66

Finding the Fourth Proportional to 197,608,040.64, 272,700,720.76 and 109,503,509.66

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Solution

The fourth proportional to 197,608,040.64, 272,700,720.76 and 109,503,509.66 is: 151,115,743.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,608,040.64 : 272,700,720.76 = 109,503,509.66 : x
  2. Step 2: Convert to fraction form
    197,608,040.64/272,700,720.76 = 109,503,509.66/x
  3. Step 3: Cross multiply
    197,608,040.64x = 272,700,720.76 × 109,503,509.66
  4. Step 4: Simplify right side
    197,608,040.64x = 29,861,686,010,031,620
  5. Step 5: Solve for x
    x = 29,861,686,010,031,620/197,608,040.64
  6. Step 6: Final answer
    x = 151,115,743.64

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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.