Home / 90,638,962.56-136,015,130.88-36,786,274.56

Finding the Fourth Proportional to 90,638,962.56, 136,015,130.88 and 36,786,274.56

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Solution

The fourth proportional to 90,638,962.56, 136,015,130.88 and 36,786,274.56 is: 55,202,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,638,962.56 : 136,015,130.88 = 36,786,274.56 : x
  2. Step 2: Convert to fraction form
    90,638,962.56/136,015,130.88 = 36,786,274.56/x
  3. Step 3: Cross multiply
    90,638,962.56x = 136,015,130.88 × 36,786,274.56
  4. Step 4: Simplify right side
    90,638,962.56x = 5,003,489,948,866,015
  5. Step 5: Solve for x
    x = 5,003,489,948,866,015/90,638,962.56
  6. Step 6: Final answer
    x = 55,202,418.56

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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.