Home / 124,556,287.92-171,886,993.08-68,805,543.60

Finding the Fourth Proportional to 124,556,287.92, 171,886,993.08 and 68,805,543.60

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Solution

The fourth proportional to 124,556,287.92, 171,886,993.08 and 68,805,543.60 is: 94,951,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,556,287.92 : 171,886,993.08 = 68,805,543.60 : x
  2. Step 2: Convert to fraction form
    124,556,287.92/171,886,993.08 = 68,805,543.60/x
  3. Step 3: Cross multiply
    124,556,287.92x = 171,886,993.08 × 68,805,543.60
  4. Step 4: Simplify right side
    124,556,287.92x = 11,826,777,996,638,838
  5. Step 5: Solve for x
    x = 11,826,777,996,638,838/124,556,287.92
  6. Step 6: Final answer
    x = 94,951,272.18

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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.