Home / 187,640,371,209.78-258,941,872,642.10-101,996,241,317.64

Finding the Fourth Proportional to 187,640,371,209.78, 258,941,872,642.10 and 101,996,241,317.64

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Solution

The fourth proportional to 187,640,371,209.78, 258,941,872,642.10 and 101,996,241,317.64 is: 140,753,813,046.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,640,371,209.78 : 258,941,872,642.10 = 101,996,241,317.64 : x
  2. Step 2: Convert to fraction form
    187,640,371,209.78/258,941,872,642.10 = 101,996,241,317.64/x
  3. Step 3: Cross multiply
    187,640,371,209.78x = 258,941,872,642.10 × 101,996,241,317.64
  4. Step 4: Simplify right side
    187,640,371,209.78x = 26,411,097,729,245,235,904,512
  5. Step 5: Solve for x
    x = 26,411,097,729,245,235,904,512/187,640,371,209.78
  6. Step 6: Final answer
    x = 140,753,813,046.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.