Home / 172,820,243,512.30-238,486,758,548.44-95,661,245,983.72

Finding the Fourth Proportional to 172,820,243,512.30, 238,486,758,548.44 and 95,661,245,983.72

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Solution

The fourth proportional to 172,820,243,512.30, 238,486,758,548.44 and 95,661,245,983.72 is: 132,009,653,555.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,820,243,512.30 : 238,486,758,548.44 = 95,661,245,983.72 : x
  2. Step 2: Convert to fraction form
    172,820,243,512.30/238,486,758,548.44 = 95,661,245,983.72/x
  3. Step 3: Cross multiply
    172,820,243,512.30x = 238,486,758,548.44 × 95,661,245,983.72
  4. Step 4: Simplify right side
    172,820,243,512.30x = 22,813,940,473,362,359,779,328
  5. Step 5: Solve for x
    x = 22,813,940,473,362,359,779,328/172,820,243,512.30
  6. Step 6: Final answer
    x = 132,009,653,555.08

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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.