Home / 45,370,679.75-68,055,915.78-19,446,171.23

Finding the Fourth Proportional to 45,370,679.75, 68,055,915.78 and 19,446,171.23

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Solution

The fourth proportional to 45,370,679.75, 68,055,915.78 and 19,446,171.23 is: 29,169,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,370,679.75 : 68,055,915.78 = 19,446,171.23 : x
  2. Step 2: Convert to fraction form
    45,370,679.75/68,055,915.78 = 19,446,171.23/x
  3. Step 3: Cross multiply
    45,370,679.75x = 68,055,915.78 × 19,446,171.23
  4. Step 4: Simplify right side
    45,370,679.75x = 1,323,426,991,642,479
  5. Step 5: Solve for x
    x = 1,323,426,991,642,479/45,370,679.75
  6. Step 6: Final answer
    x = 29,169,212.34

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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.