Home / 199,318,839.77-299,130,860.33-90,220,626.35

Finding the Fourth Proportional to 199,318,839.77, 299,130,860.33 and 90,220,626.35

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Solution

The fourth proportional to 199,318,839.77, 299,130,860.33 and 90,220,626.35 is: 135,400,013.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,318,839.77 : 299,130,860.33 = 90,220,626.35 : x
  2. Step 2: Convert to fraction form
    199,318,839.77/299,130,860.33 = 90,220,626.35/x
  3. Step 3: Cross multiply
    199,318,839.77x = 299,130,860.33 × 90,220,626.35
  4. Step 4: Simplify right side
    199,318,839.77x = 26,987,773,577,640,208
  5. Step 5: Solve for x
    x = 26,987,773,577,640,208/199,318,839.77
  6. Step 6: Final answer
    x = 135,400,013.41

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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.