Home / 197,808,906.24-272,992,632.48-109,731,301.28

Finding the Fourth Proportional to 197,808,906.24, 272,992,632.48 and 109,731,301.28

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Solution

The fourth proportional to 197,808,906.24, 272,992,632.48 and 109,731,301.28 is: 151,438,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,808,906.24 : 272,992,632.48 = 109,731,301.28 : x
  2. Step 2: Convert to fraction form
    197,808,906.24/272,992,632.48 = 109,731,301.28/x
  3. Step 3: Cross multiply
    197,808,906.24x = 272,992,632.48 × 109,731,301.28
  4. Step 4: Simplify right side
    197,808,906.24x = 29,955,836,801,883,196
  5. Step 5: Solve for x
    x = 29,955,836,801,883,196/197,808,906.24
  6. Step 6: Final answer
    x = 151,438,261.15

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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.