Home / 120,990,499,724.09-181,483,257,376.96-40,322,061,306.63

Finding the Fourth Proportional to 120,990,499,724.09, 181,483,257,376.96 and 40,322,061,306.63

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Solution

The fourth proportional to 120,990,499,724.09, 181,483,257,376.96 and 40,322,061,306.63 is: 60,482,261,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,990,499,724.09 : 181,483,257,376.96 = 40,322,061,306.63 : x
  2. Step 2: Convert to fraction form
    120,990,499,724.09/181,483,257,376.96 = 40,322,061,306.63/x
  3. Step 3: Cross multiply
    120,990,499,724.09x = 181,483,257,376.96 × 40,322,061,306.63
  4. Step 4: Simplify right side
    120,990,499,724.09x = 7,317,779,030,080,691,896,320
  5. Step 5: Solve for x
    x = 7,317,779,030,080,691,896,320/120,990,499,724.09
  6. Step 6: Final answer
    x = 60,482,261,390.51

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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.