Home / 212,469,774.60-318,716,037.03-66,914,673.03

Finding the Fourth Proportional to 212,469,774.60, 318,716,037.03 and 66,914,673.03

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Solution

The fourth proportional to 212,469,774.60, 318,716,037.03 and 66,914,673.03 is: 100,375,592.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,469,774.60 : 318,716,037.03 = 66,914,673.03 : x
  2. Step 2: Convert to fraction form
    212,469,774.60/318,716,037.03 = 66,914,673.03/x
  3. Step 3: Cross multiply
    212,469,774.60x = 318,716,037.03 × 66,914,673.03
  4. Step 4: Simplify right side
    212,469,774.60x = 21,326,779,407,279,820
  5. Step 5: Solve for x
    x = 21,326,779,407,279,820/212,469,774.60
  6. Step 6: Final answer
    x = 100,375,592.00

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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.