Home / 74,342,532.56-111,513,554.04-19,760,611.28

Finding the Fourth Proportional to 74,342,532.56, 111,513,554.04 and 19,760,611.28

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Solution

The fourth proportional to 74,342,532.56, 111,513,554.04 and 19,760,611.28 is: 29,640,851.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,342,532.56 : 111,513,554.04 = 19,760,611.28 : x
  2. Step 2: Convert to fraction form
    74,342,532.56/111,513,554.04 = 19,760,611.28/x
  3. Step 3: Cross multiply
    74,342,532.56x = 111,513,554.04 × 19,760,611.28
  4. Step 4: Simplify right side
    74,342,532.56x = 2,203,575,993,835,713.75
  5. Step 5: Solve for x
    x = 2,203,575,993,835,713.75/74,342,532.56
  6. Step 6: Final answer
    x = 29,640,851.85

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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.