Home / 243,820,131,272.98-336,395,871,159.24-140,899,755,927.96

Finding the Fourth Proportional to 243,820,131,272.98, 336,395,871,159.24 and 140,899,755,927.96

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Solution

The fourth proportional to 243,820,131,272.98, 336,395,871,159.24 and 140,899,755,927.96 is: 194,397,796,006.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,820,131,272.98 : 336,395,871,159.24 = 140,899,755,927.96 : x
  2. Step 2: Convert to fraction form
    243,820,131,272.98/336,395,871,159.24 = 140,899,755,927.96/x
  3. Step 3: Cross multiply
    243,820,131,272.98x = 336,395,871,159.24 × 140,899,755,927.96
  4. Step 4: Simplify right side
    243,820,131,272.98x = 47,398,096,141,510,393,200,640
  5. Step 5: Solve for x
    x = 47,398,096,141,510,393,200,640/243,820,131,272.98
  6. Step 6: Final answer
    x = 194,397,796,006.61

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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.