Home / 164,778,796.80-227,405,389.92-91,439,938.56

Finding the Fourth Proportional to 164,778,796.80, 227,405,389.92 and 91,439,938.56

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Solution

The fourth proportional to 164,778,796.80, 227,405,389.92 and 91,439,938.56 is: 126,193,025.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,778,796.80 : 227,405,389.92 = 91,439,938.56 : x
  2. Step 2: Convert to fraction form
    164,778,796.80/227,405,389.92 = 91,439,938.56/x
  3. Step 3: Cross multiply
    164,778,796.80x = 227,405,389.92 × 91,439,938.56
  4. Step 4: Simplify right side
    164,778,796.80x = 20,793,934,882,497,644
  5. Step 5: Solve for x
    x = 20,793,934,882,497,644/164,778,796.80
  6. Step 6: Final answer
    x = 126,193,025.35

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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.