Home / 152,163,546,781.38-228,046,767,171.27-85,008,079,218.12

Finding the Fourth Proportional to 152,163,546,781.38, 228,046,767,171.27 and 85,008,079,218.12

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Solution

The fourth proportional to 152,163,546,781.38, 228,046,767,171.27 and 85,008,079,218.12 is: 127,401,194,696.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,163,546,781.38 : 228,046,767,171.27 = 85,008,079,218.12 : x
  2. Step 2: Convert to fraction form
    152,163,546,781.38/228,046,767,171.27 = 85,008,079,218.12/x
  3. Step 3: Cross multiply
    152,163,546,781.38x = 228,046,767,171.27 × 85,008,079,218.12
  4. Step 4: Simplify right side
    152,163,546,781.38x = 19,385,817,649,131,483,561,984
  5. Step 5: Solve for x
    x = 19,385,817,649,131,483,561,984/152,163,546,781.38
  6. Step 6: Final answer
    x = 127,401,194,696.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.