Home / 198,570,416,431.12-297,853,661,782.24-90,974,167,682.40

Finding the Fourth Proportional to 198,570,416,431.12, 297,853,661,782.24 and 90,974,167,682.40

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Solution

The fourth proportional to 198,570,416,431.12, 297,853,661,782.24 and 90,974,167,682.40 is: 136,460,352,245.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,570,416,431.12 : 297,853,661,782.24 = 90,974,167,682.40 : x
  2. Step 2: Convert to fraction form
    198,570,416,431.12/297,853,661,782.24 = 90,974,167,682.40/x
  3. Step 3: Cross multiply
    198,570,416,431.12x = 297,853,661,782.24 × 90,974,167,682.40
  4. Step 4: Simplify right side
    198,570,416,431.12x = 27,096,988,971,794,354,405,376
  5. Step 5: Solve for x
    x = 27,096,988,971,794,354,405,376/198,570,416,431.12
  6. Step 6: Final answer
    x = 136,460,352,245.84

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1.5x scale

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.