Home / 243,820,131,271.74-336,395,871,157.52-140,899,755,926.70

Finding the Fourth Proportional to 243,820,131,271.74, 336,395,871,157.52 and 140,899,755,926.70

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Solution

The fourth proportional to 243,820,131,271.74, 336,395,871,157.52 and 140,899,755,926.70 is: 194,397,796,004.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,820,131,271.74 : 336,395,871,157.52 = 140,899,755,926.70 : x
  2. Step 2: Convert to fraction form
    243,820,131,271.74/336,395,871,157.52 = 140,899,755,926.70/x
  3. Step 3: Cross multiply
    243,820,131,271.74x = 336,395,871,157.52 × 140,899,755,926.70
  4. Step 4: Simplify right side
    243,820,131,271.74x = 47,398,096,140,844,195,119,104
  5. Step 5: Solve for x
    x = 47,398,096,140,844,195,119,104/243,820,131,271.74
  6. Step 6: Final answer
    x = 194,397,796,004.87

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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.