Home / 66,346,731.80-99,479,040.36-25,909,665.56

Finding the Fourth Proportional to 66,346,731.80, 99,479,040.36 and 25,909,665.56

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Solution

The fourth proportional to 66,346,731.80, 99,479,040.36 and 25,909,665.56 is: 38,848,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,346,731.80 : 99,479,040.36 = 25,909,665.56 : x
  2. Step 2: Convert to fraction form
    66,346,731.80/99,479,040.36 = 25,909,665.56/x
  3. Step 3: Cross multiply
    66,346,731.80x = 99,479,040.36 × 25,909,665.56
  4. Step 4: Simplify right side
    66,346,731.80x = 2,577,468,665,957,342
  5. Step 5: Solve for x
    x = 2,577,468,665,957,342/66,346,731.80
  6. Step 6: Final answer
    x = 38,848,464.66

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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.