Home / 90,987,187,107.28-136,499,395,045.98-31,288,096,220.52

Finding the Fourth Proportional to 90,987,187,107.28, 136,499,395,045.98 and 31,288,096,220.52

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Solution

The fourth proportional to 90,987,187,107.28, 136,499,395,045.98 and 31,288,096,220.52 is: 46,938,545,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,987,187,107.28 : 136,499,395,045.98 = 31,288,096,220.52 : x
  2. Step 2: Convert to fraction form
    90,987,187,107.28/136,499,395,045.98 = 31,288,096,220.52/x
  3. Step 3: Cross multiply
    90,987,187,107.28x = 136,499,395,045.98 × 31,288,096,220.52
  4. Step 4: Simplify right side
    90,987,187,107.28x = 4,270,806,206,241,393,082,368
  5. Step 5: Solve for x
    x = 4,270,806,206,241,393,082,368/90,987,187,107.28
  6. Step 6: Final answer
    x = 46,938,545,327.33

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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.