Home / 69,879,339.91-104,815,196.07-21,357,177.31

Finding the Fourth Proportional to 69,879,339.91, 104,815,196.07 and 21,357,177.31

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Solution

The fourth proportional to 69,879,339.91, 104,815,196.07 and 21,357,177.31 is: 32,034,600.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,879,339.91 : 104,815,196.07 = 21,357,177.31 : x
  2. Step 2: Convert to fraction form
    69,879,339.91/104,815,196.07 = 21,357,177.31/x
  3. Step 3: Cross multiply
    69,879,339.91x = 104,815,196.07 × 21,357,177.31
  4. Step 4: Simplify right side
    69,879,339.91x = 2,238,556,727,249,405
  5. Step 5: Solve for x
    x = 2,238,556,727,249,405/69,879,339.91
  6. Step 6: Final answer
    x = 32,034,600.36

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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.