Home / 90,170,992,492.74-135,138,827,696.24-50,375,159,862.66

Finding the Fourth Proportional to 90,170,992,492.74, 135,138,827,696.24 and 50,375,159,862.66

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Solution

The fourth proportional to 90,170,992,492.74, 135,138,827,696.24 and 50,375,159,862.66 is: 75,497,006,971.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,170,992,492.74 : 135,138,827,696.24 = 50,375,159,862.66 : x
  2. Step 2: Convert to fraction form
    90,170,992,492.74/135,138,827,696.24 = 50,375,159,862.66/x
  3. Step 3: Cross multiply
    90,170,992,492.74x = 135,138,827,696.24 × 50,375,159,862.66
  4. Step 4: Simplify right side
    90,170,992,492.74x = 6,807,640,048,850,555,633,664
  5. Step 5: Solve for x
    x = 6,807,640,048,850,555,633,664/90,170,992,492.74
  6. Step 6: Final answer
    x = 75,497,006,971.49

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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.