Home / 242,637,761.70-363,956,642.55-199,555,611.30

Finding the Fourth Proportional to 242,637,761.70, 363,956,642.55 and 199,555,611.30

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Solution

The fourth proportional to 242,637,761.70, 363,956,642.55 and 199,555,611.30 is: 299,333,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,637,761.70 : 363,956,642.55 = 199,555,611.30 : x
  2. Step 2: Convert to fraction form
    242,637,761.70/363,956,642.55 = 199,555,611.30/x
  3. Step 3: Cross multiply
    242,637,761.70x = 363,956,642.55 × 199,555,611.30
  4. Step 4: Simplify right side
    242,637,761.70x = 72,629,590,290,760,848
  5. Step 5: Solve for x
    x = 72,629,590,290,760,848/242,637,761.70
  6. Step 6: Final answer
    x = 299,333,416.95

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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.