Home / 90,987,187,102.28-136,499,395,038.48-31,288,096,215.52

Finding the Fourth Proportional to 90,987,187,102.28, 136,499,395,038.48 and 31,288,096,215.52

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Solution

The fourth proportional to 90,987,187,102.28, 136,499,395,038.48 and 31,288,096,215.52 is: 46,938,545,319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,987,187,102.28 : 136,499,395,038.48 = 31,288,096,215.52 : x
  2. Step 2: Convert to fraction form
    90,987,187,102.28/136,499,395,038.48 = 31,288,096,215.52/x
  3. Step 3: Cross multiply
    90,987,187,102.28x = 136,499,395,038.48 × 31,288,096,215.52
  4. Step 4: Simplify right side
    90,987,187,102.28x = 4,270,806,205,324,235,636,736
  5. Step 5: Solve for x
    x = 4,270,806,205,324,235,636,736/90,987,187,102.28
  6. Step 6: Final answer
    x = 46,938,545,319.83

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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.