Home / 242,410,918.74-363,667,445.96-78,635,887.37

Finding the Fourth Proportional to 242,410,918.74, 363,667,445.96 and 78,635,887.37

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Solution

The fourth proportional to 242,410,918.74, 363,667,445.96 and 78,635,887.37 is: 117,970,397.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,410,918.74 : 363,667,445.96 = 78,635,887.37 : x
  2. Step 2: Convert to fraction form
    242,410,918.74/363,667,445.96 = 78,635,887.37/x
  3. Step 3: Cross multiply
    242,410,918.74x = 363,667,445.96 × 78,635,887.37
  4. Step 4: Simplify right side
    242,410,918.74x = 28,597,312,321,844,348
  5. Step 5: Solve for x
    x = 28,597,312,321,844,348/242,410,918.74
  6. Step 6: Final answer
    x = 117,970,397.00

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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.