Home / 90,987,187,096.26-136,499,395,029.48-31,288,096,209.51

Finding the Fourth Proportional to 90,987,187,096.26, 136,499,395,029.48 and 31,288,096,209.51

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Solution

The fourth proportional to 90,987,187,096.26, 136,499,395,029.48 and 31,288,096,209.51 is: 46,938,545,310.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,987,187,096.26 : 136,499,395,029.48 = 31,288,096,209.51 : x
  2. Step 2: Convert to fraction form
    90,987,187,096.26/136,499,395,029.48 = 31,288,096,209.51/x
  3. Step 3: Cross multiply
    90,987,187,096.26x = 136,499,395,029.48 × 31,288,096,209.51
  4. Step 4: Simplify right side
    90,987,187,096.26x = 4,270,806,204,222,280,826,880
  5. Step 5: Solve for x
    x = 4,270,806,204,222,280,826,880/90,987,187,096.26
  6. Step 6: Final answer
    x = 46,938,545,310.82

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1.5x scale

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.