Home / 152,163,546,784.38-228,046,767,175.76-85,008,079,221.12

Finding the Fourth Proportional to 152,163,546,784.38, 228,046,767,175.76 and 85,008,079,221.12

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Solution

The fourth proportional to 152,163,546,784.38, 228,046,767,175.76 and 85,008,079,221.12 is: 127,401,194,700.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,163,546,784.38 : 228,046,767,175.76 = 85,008,079,221.12 : x
  2. Step 2: Convert to fraction form
    152,163,546,784.38/228,046,767,175.76 = 85,008,079,221.12/x
  3. Step 3: Cross multiply
    152,163,546,784.38x = 228,046,767,175.76 × 85,008,079,221.12
  4. Step 4: Simplify right side
    152,163,546,784.38x = 19,385,817,650,197,314,928,640
  5. Step 5: Solve for x
    x = 19,385,817,650,197,314,928,640/152,163,546,784.38
  6. Step 6: Final answer
    x = 127,401,194,700.51

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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.