Home / 198,570,416,431.98-297,853,661,783.64-90,974,167,683.30

Finding the Fourth Proportional to 198,570,416,431.98, 297,853,661,783.64 and 90,974,167,683.30

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Solution

The fourth proportional to 198,570,416,431.98, 297,853,661,783.64 and 90,974,167,683.30 is: 136,460,352,247.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,570,416,431.98 : 297,853,661,783.64 = 90,974,167,683.30 : x
  2. Step 2: Convert to fraction form
    198,570,416,431.98/297,853,661,783.64 = 90,974,167,683.30/x
  3. Step 3: Cross multiply
    198,570,416,431.98x = 297,853,661,783.64 × 90,974,167,683.30
  4. Step 4: Simplify right side
    198,570,416,431.98x = 27,096,988,972,189,793,386,496
  5. Step 5: Solve for x
    x = 27,096,988,972,189,793,386,496/198,570,416,431.98
  6. Step 6: Final answer
    x = 136,460,352,247.24

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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.