Home / 112,060,608.30-168,090,912.45-68,789,501.10

Finding the Fourth Proportional to 112,060,608.30, 168,090,912.45 and 68,789,501.10

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Solution

The fourth proportional to 112,060,608.30, 168,090,912.45 and 68,789,501.10 is: 103,184,251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,060,608.30 : 168,090,912.45 = 68,789,501.10 : x
  2. Step 2: Convert to fraction form
    112,060,608.30/168,090,912.45 = 68,789,501.10/x
  3. Step 3: Cross multiply
    112,060,608.30x = 168,090,912.45 × 68,789,501.10
  4. Step 4: Simplify right side
    112,060,608.30x = 11,562,890,006,879,276
  5. Step 5: Solve for x
    x = 11,562,890,006,879,276/112,060,608.30
  6. Step 6: Final answer
    x = 103,184,251.65

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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.