Home / 198,570,416,417.10-297,853,661,761.24-90,974,167,668.40

Finding the Fourth Proportional to 198,570,416,417.10, 297,853,661,761.24 and 90,974,167,668.40

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Solution

The fourth proportional to 198,570,416,417.10, 297,853,661,761.24 and 90,974,167,668.40 is: 136,460,352,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,570,416,417.10 : 297,853,661,761.24 = 90,974,167,668.40 : x
  2. Step 2: Convert to fraction form
    198,570,416,417.10/297,853,661,761.24 = 90,974,167,668.40/x
  3. Step 3: Cross multiply
    198,570,416,417.10x = 297,853,661,761.24 × 90,974,167,668.40
  4. Step 4: Simplify right side
    198,570,416,417.10x = 27,096,988,965,714,542,985,216
  5. Step 5: Solve for x
    x = 27,096,988,965,714,542,985,216/198,570,416,417.10
  6. Step 6: Final answer
    x = 136,460,352,224.86

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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.