Home / 242,410,983-363,667,542.44-78,635,951.70

Finding the Fourth Proportional to 242,410,983, 363,667,542.44 and 78,635,951.70

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Solution

The fourth proportional to 242,410,983, 363,667,542.44 and 78,635,951.70 is: 117,970,493.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,410,983 : 363,667,542.44 = 78,635,951.70 : x
  2. Step 2: Convert to fraction form
    242,410,983/363,667,542.44 = 78,635,951.70/x
  3. Step 3: Cross multiply
    242,410,983x = 363,667,542.44 × 78,635,951.70
  4. Step 4: Simplify right side
    242,410,983x = 28,597,343,301,776,360
  5. Step 5: Solve for x
    x = 28,597,343,301,776,360/242,410,983
  6. Step 6: Final answer
    x = 117,970,493.53

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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.