Home / 242,919,625.81-335,228,068.29-131,410,189.30

Finding the Fourth Proportional to 242,919,625.81, 335,228,068.29 and 131,410,189.30

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Solution

The fourth proportional to 242,919,625.81, 335,228,068.29 and 131,410,189.30 is: 181,345,511.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,919,625.81 : 335,228,068.29 = 131,410,189.30 : x
  2. Step 2: Convert to fraction form
    242,919,625.81/335,228,068.29 = 131,410,189.30/x
  3. Step 3: Cross multiply
    242,919,625.81x = 335,228,068.29 × 131,410,189.30
  4. Step 4: Simplify right side
    242,919,625.81x = 44,052,383,912,662,232
  5. Step 5: Solve for x
    x = 44,052,383,912,662,232/242,919,625.81
  6. Step 6: Final answer
    x = 181,345,511.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.