Home / 124,556,285.92-171,886,990.32-68,805,541.60

Finding the Fourth Proportional to 124,556,285.92, 171,886,990.32 and 68,805,541.60

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Solution

The fourth proportional to 124,556,285.92, 171,886,990.32 and 68,805,541.60 is: 94,951,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,556,285.92 : 171,886,990.32 = 68,805,541.60 : x
  2. Step 2: Convert to fraction form
    124,556,285.92/171,886,990.32 = 68,805,541.60/x
  3. Step 3: Cross multiply
    124,556,285.92x = 171,886,990.32 × 68,805,541.60
  4. Step 4: Simplify right side
    124,556,285.92x = 11,826,777,462,961,556
  5. Step 5: Solve for x
    x = 11,826,777,462,961,556/124,556,285.92
  6. Step 6: Final answer
    x = 94,951,269.42

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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.