Home / 118,082,314,149.25-162,958,217,830.96-66,642,670,825.20

Finding the Fourth Proportional to 118,082,314,149.25, 162,958,217,830.96 and 66,642,670,825.20

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Solution

The fourth proportional to 118,082,314,149.25, 162,958,217,830.96 and 66,642,670,825.20 is: 91,969,495,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,082,314,149.25 : 162,958,217,830.96 = 66,642,670,825.20 : x
  2. Step 2: Convert to fraction form
    118,082,314,149.25/162,958,217,830.96 = 66,642,670,825.20/x
  3. Step 3: Cross multiply
    118,082,314,149.25x = 162,958,217,830.96 × 66,642,670,825.20
  4. Step 4: Simplify right side
    118,082,314,149.25x = 10,859,970,869,169,903,108,096
  5. Step 5: Solve for x
    x = 10,859,970,869,169,903,108,096/118,082,314,149.25
  6. Step 6: Final answer
    x = 91,969,495,579.53

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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.