Home / 86,182,326.68-129,263,940.65-30,847,951.64

Finding the Fourth Proportional to 86,182,326.68, 129,263,940.65 and 30,847,951.64

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Solution

The fourth proportional to 86,182,326.68, 129,263,940.65 and 30,847,951.64 is: 46,268,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,182,326.68 : 129,263,940.65 = 30,847,951.64 : x
  2. Step 2: Convert to fraction form
    86,182,326.68/129,263,940.65 = 30,847,951.64/x
  3. Step 3: Cross multiply
    86,182,326.68x = 129,263,940.65 × 30,847,951.64
  4. Step 4: Simplify right side
    86,182,326.68x = 3,987,527,790,367,310
  5. Step 5: Solve for x
    x = 3,987,527,790,367,310/86,182,326.68
  6. Step 6: Final answer
    x = 46,268,509.38

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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.