Home / 198,570,416,427.04-297,853,661,776.14-90,974,167,678.30

Finding the Fourth Proportional to 198,570,416,427.04, 297,853,661,776.14 and 90,974,167,678.30

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Solution

The fourth proportional to 198,570,416,427.04, 297,853,661,776.14 and 90,974,167,678.30 is: 136,460,352,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,570,416,427.04 : 297,853,661,776.14 = 90,974,167,678.30 : x
  2. Step 2: Convert to fraction form
    198,570,416,427.04/297,853,661,776.14 = 90,974,167,678.30/x
  3. Step 3: Cross multiply
    198,570,416,427.04x = 297,853,661,776.14 × 90,974,167,678.30
  4. Step 4: Simplify right side
    198,570,416,427.04x = 27,096,988,970,018,217,656,320
  5. Step 5: Solve for x
    x = 27,096,988,970,018,217,656,320/198,570,416,427.04
  6. Step 6: Final answer
    x = 136,460,352,239.70

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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.