Home / 211,101,615.60-316,608,186.60-103,473,481.20

Finding the Fourth Proportional to 211,101,615.60, 316,608,186.60 and 103,473,481.20

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Solution

The fourth proportional to 211,101,615.60, 316,608,186.60 and 103,473,481.20 is: 155,188,538.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,101,615.60 : 316,608,186.60 = 103,473,481.20 : x
  2. Step 2: Convert to fraction form
    211,101,615.60/316,608,186.60 = 103,473,481.20/x
  3. Step 3: Cross multiply
    211,101,615.60x = 316,608,186.60 × 103,473,481.20
  4. Step 4: Simplify right side
    211,101,615.60x = 32,760,551,243,921,196
  5. Step 5: Solve for x
    x = 32,760,551,243,921,196/211,101,615.60
  6. Step 6: Final answer
    x = 155,188,538.71

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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.