Home / 213,471,218.52-294,590,533.50-115,686,074.52

Finding the Fourth Proportional to 213,471,218.52, 294,590,533.50 and 115,686,074.52

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Solution

The fourth proportional to 213,471,218.52, 294,590,533.50 and 115,686,074.52 is: 159,646,919.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,471,218.52 : 294,590,533.50 = 115,686,074.52 : x
  2. Step 2: Convert to fraction form
    213,471,218.52/294,590,533.50 = 115,686,074.52/x
  3. Step 3: Cross multiply
    213,471,218.52x = 294,590,533.50 × 115,686,074.52
  4. Step 4: Simplify right side
    213,471,218.52x = 34,080,022,411,367,556
  5. Step 5: Solve for x
    x = 34,080,022,411,367,556/213,471,218.52
  6. Step 6: Final answer
    x = 159,646,919.37

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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.