Home / 86,608,467.54-129,901,857.44-28,311,259.73

Finding the Fourth Proportional to 86,608,467.54, 129,901,857.44 and 28,311,259.73

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Solution

The fourth proportional to 86,608,467.54, 129,901,857.44 and 28,311,259.73 is: 42,463,344.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,608,467.54 : 129,901,857.44 = 28,311,259.73 : x
  2. Step 2: Convert to fraction form
    86,608,467.54/129,901,857.44 = 28,311,259.73/x
  3. Step 3: Cross multiply
    86,608,467.54x = 129,901,857.44 × 28,311,259.73
  4. Step 4: Simplify right side
    86,608,467.54x = 3,677,685,224,602,207.50
  5. Step 5: Solve for x
    x = 3,677,685,224,602,207.50/86,608,467.54
  6. Step 6: Final answer
    x = 42,463,344.86

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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.