Home / 172,820,243,513.30-238,486,758,549.82-95,661,245,984.72

Finding the Fourth Proportional to 172,820,243,513.30, 238,486,758,549.82 and 95,661,245,984.72

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Solution

The fourth proportional to 172,820,243,513.30, 238,486,758,549.82 and 95,661,245,984.72 is: 132,009,653,556.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,820,243,513.30 : 238,486,758,549.82 = 95,661,245,984.72 : x
  2. Step 2: Convert to fraction form
    172,820,243,513.30/238,486,758,549.82 = 95,661,245,984.72/x
  3. Step 3: Cross multiply
    172,820,243,513.30x = 238,486,758,549.82 × 95,661,245,984.72
  4. Step 4: Simplify right side
    172,820,243,513.30x = 22,813,940,473,732,859,428,864
  5. Step 5: Solve for x
    x = 22,813,940,473,732,859,428,864/172,820,243,513.30
  6. Step 6: Final answer
    x = 132,009,653,556.46

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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.