Home / 218,390,201.28-301,240,061.28-166,064,523.84

Finding the Fourth Proportional to 218,390,201.28, 301,240,061.28 and 166,064,523.84

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Solution

The fourth proportional to 218,390,201.28, 301,240,061.28 and 166,064,523.84 is: 229,063,790.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,390,201.28 : 301,240,061.28 = 166,064,523.84 : x
  2. Step 2: Convert to fraction form
    218,390,201.28/301,240,061.28 = 166,064,523.84/x
  3. Step 3: Cross multiply
    218,390,201.28x = 301,240,061.28 × 166,064,523.84
  4. Step 4: Simplify right side
    218,390,201.28x = 50,025,287,337,995,616
  5. Step 5: Solve for x
    x = 50,025,287,337,995,616/218,390,201.28
  6. Step 6: Final answer
    x = 229,063,790.61

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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.