Home / 51,201,261.41-76,801,966.04-20,909,124.41

Finding the Fourth Proportional to 51,201,261.41, 76,801,966.04 and 20,909,124.41

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Solution

The fourth proportional to 51,201,261.41, 76,801,966.04 and 20,909,124.41 is: 31,363,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201,261.41 : 76,801,966.04 = 20,909,124.41 : x
  2. Step 2: Convert to fraction form
    51,201,261.41/76,801,966.04 = 20,909,124.41/x
  3. Step 3: Cross multiply
    51,201,261.41x = 76,801,966.04 × 20,909,124.41
  4. Step 4: Simplify right side
    51,201,261.41x = 1,605,861,862,862,955.25
  5. Step 5: Solve for x
    x = 1,605,861,862,862,955.25/51,201,261.41
  6. Step 6: Final answer
    x = 31,363,716.80

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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.