Home / 147,260,910.96-203,220,670.92-81,179,957.52

Finding the Fourth Proportional to 147,260,910.96, 203,220,670.92 and 81,179,957.52

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Solution

The fourth proportional to 147,260,910.96, 203,220,670.92 and 81,179,957.52 is: 112,028,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,260,910.96 : 203,220,670.92 = 81,179,957.52 : x
  2. Step 2: Convert to fraction form
    147,260,910.96/203,220,670.92 = 81,179,957.52/x
  3. Step 3: Cross multiply
    147,260,910.96x = 203,220,670.92 × 81,179,957.52
  4. Step 4: Simplify right side
    147,260,910.96x = 16,497,445,432,471,498
  5. Step 5: Solve for x
    x = 16,497,445,432,471,498/147,260,910.96
  6. Step 6: Final answer
    x = 112,028,679.74

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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.