Home / 242,410,984-363,667,543.94-78,635,952.70

Finding the Fourth Proportional to 242,410,984, 363,667,543.94 and 78,635,952.70

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Solution

The fourth proportional to 242,410,984, 363,667,543.94 and 78,635,952.70 is: 117,970,495.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,410,984 : 363,667,543.94 = 78,635,952.70 : x
  2. Step 2: Convert to fraction form
    242,410,984/363,667,543.94 = 78,635,952.70/x
  3. Step 3: Cross multiply
    242,410,984x = 363,667,543.94 × 78,635,952.70
  4. Step 4: Simplify right side
    242,410,984x = 28,597,343,783,397,832
  5. Step 5: Solve for x
    x = 28,597,343,783,397,832/242,410,984
  6. Step 6: Final answer
    x = 117,970,495.03

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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.