Home / 90,820,170.90-125,436,096.45-66,150,266.58

Finding the Fourth Proportional to 90,820,170.90, 125,436,096.45 and 66,150,266.58

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Solution

The fourth proportional to 90,820,170.90, 125,436,096.45 and 66,150,266.58 is: 91,363,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,820,170.90 : 125,436,096.45 = 66,150,266.58 : x
  2. Step 2: Convert to fraction form
    90,820,170.90/125,436,096.45 = 66,150,266.58/x
  3. Step 3: Cross multiply
    90,820,170.90x = 125,436,096.45 × 66,150,266.58
  4. Step 4: Simplify right side
    90,820,170.90x = 8,297,631,218,922,092
  5. Step 5: Solve for x
    x = 8,297,631,218,922,092/90,820,170.90
  6. Step 6: Final answer
    x = 91,363,307.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.