Home / 188,074,556.91-282,145,728.50-77,390,675.54

Finding the Fourth Proportional to 188,074,556.91, 282,145,728.50 and 77,390,675.54

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Solution

The fourth proportional to 188,074,556.91, 282,145,728.50 and 77,390,675.54 is: 116,099,959.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,074,556.91 : 282,145,728.50 = 77,390,675.54 : x
  2. Step 2: Convert to fraction form
    188,074,556.91/282,145,728.50 = 77,390,675.54/x
  3. Step 3: Cross multiply
    188,074,556.91x = 282,145,728.50 × 77,390,675.54
  4. Step 4: Simplify right side
    188,074,556.91x = 21,835,448,528,891,008
  5. Step 5: Solve for x
    x = 21,835,448,528,891,008/188,074,556.91
  6. Step 6: Final answer
    x = 116,099,959.97

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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.