Home / 331,126,417.67-456,810,873.78-197,089,176.31

Finding the Fourth Proportional to 331,126,417.67, 456,810,873.78 and 197,089,176.31

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Solution

The fourth proportional to 331,126,417.67, 456,810,873.78 and 197,089,176.31 is: 271,897,601.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,126,417.67 : 456,810,873.78 = 197,089,176.31 : x
  2. Step 2: Convert to fraction form
    331,126,417.67/456,810,873.78 = 197,089,176.31/x
  3. Step 3: Cross multiply
    331,126,417.67x = 456,810,873.78 × 197,089,176.31
  4. Step 4: Simplify right side
    331,126,417.67x = 90,032,478,842,645,120
  5. Step 5: Solve for x
    x = 90,032,478,842,645,120/331,126,417.67
  6. Step 6: Final answer
    x = 271,897,601.76

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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.