Home / 198,570,416,432.98-297,853,661,785.14-90,974,167,684.30

Finding the Fourth Proportional to 198,570,416,432.98, 297,853,661,785.14 and 90,974,167,684.30

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Solution

The fourth proportional to 198,570,416,432.98, 297,853,661,785.14 and 90,974,167,684.30 is: 136,460,352,248.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,570,416,432.98 : 297,853,661,785.14 = 90,974,167,684.30 : x
  2. Step 2: Convert to fraction form
    198,570,416,432.98/297,853,661,785.14 = 90,974,167,684.30/x
  3. Step 3: Cross multiply
    198,570,416,432.98x = 297,853,661,785.14 × 90,974,167,684.30
  4. Step 4: Simplify right side
    198,570,416,432.98x = 27,096,988,972,624,109,371,392
  5. Step 5: Solve for x
    x = 27,096,988,972,624,109,371,392/198,570,416,432.98
  6. Step 6: Final answer
    x = 136,460,352,248.74

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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.