Home / 197,373,694.72-272,404,189.28-113,725,804.80

Finding the Fourth Proportional to 197,373,694.72, 272,404,189.28 and 113,725,804.80

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Solution

The fourth proportional to 197,373,694.72, 272,404,189.28 and 113,725,804.80 is: 156,958,026.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,373,694.72 : 272,404,189.28 = 113,725,804.80 : x
  2. Step 2: Convert to fraction form
    197,373,694.72/272,404,189.28 = 113,725,804.80/x
  3. Step 3: Cross multiply
    197,373,694.72x = 272,404,189.28 × 113,725,804.80
  4. Step 4: Simplify right side
    197,373,694.72x = 30,979,385,656,759,528
  5. Step 5: Solve for x
    x = 30,979,385,656,759,528/197,373,694.72
  6. Step 6: Final answer
    x = 156,958,026.76

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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.