Home / 90,171,743,305.08-124,479,372,086.29-52,102,586,398.84

Finding the Fourth Proportional to 90,171,743,305.08, 124,479,372,086.29 and 52,102,586,398.84

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Solution

The fourth proportional to 90,171,743,305.08, 124,479,372,086.29 and 52,102,586,398.84 is: 71,926,049,128.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,171,743,305.08 : 124,479,372,086.29 = 52,102,586,398.84 : x
  2. Step 2: Convert to fraction form
    90,171,743,305.08/124,479,372,086.29 = 52,102,586,398.84/x
  3. Step 3: Cross multiply
    90,171,743,305.08x = 124,479,372,086.29 × 52,102,586,398.84
  4. Step 4: Simplify right side
    90,171,743,305.08x = 6,485,697,238,999,526,014,976
  5. Step 5: Solve for x
    x = 6,485,697,238,999,526,014,976/90,171,743,305.08
  6. Step 6: Final answer
    x = 71,926,049,128.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.