Home / 123,838,282.52-170,896,939.19-68,084,651.52

Finding the Fourth Proportional to 123,838,282.52, 170,896,939.19 and 68,084,651.52

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Solution

The fourth proportional to 123,838,282.52, 170,896,939.19 and 68,084,651.52 is: 93,956,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,838,282.52 : 170,896,939.19 = 68,084,651.52 : x
  2. Step 2: Convert to fraction form
    123,838,282.52/170,896,939.19 = 68,084,651.52/x
  3. Step 3: Cross multiply
    123,838,282.52x = 170,896,939.19 × 68,084,651.52
  4. Step 4: Simplify right side
    123,838,282.52x = 11,635,458,549,390,874
  5. Step 5: Solve for x
    x = 11,635,458,549,390,874/123,838,282.52
  6. Step 6: Final answer
    x = 93,956,879.19

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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.