Home / 51,201,261.16-76,801,965.66-20,909,124.16

Finding the Fourth Proportional to 51,201,261.16, 76,801,965.66 and 20,909,124.16

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Solution

The fourth proportional to 51,201,261.16, 76,801,965.66 and 20,909,124.16 is: 31,363,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201,261.16 : 76,801,965.66 = 20,909,124.16 : x
  2. Step 2: Convert to fraction form
    51,201,261.16/76,801,965.66 = 20,909,124.16/x
  3. Step 3: Cross multiply
    51,201,261.16x = 76,801,965.66 × 20,909,124.16
  4. Step 4: Simplify right side
    51,201,261.16x = 1,605,861,835,716,996.25
  5. Step 5: Solve for x
    x = 1,605,861,835,716,996.25/51,201,261.16
  6. Step 6: Final answer
    x = 31,363,716.43

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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.