Home / 148,256,462.42-204,593,563.94-81,275,300.90

Finding the Fourth Proportional to 148,256,462.42, 204,593,563.94 and 81,275,300.90

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Solution

The fourth proportional to 148,256,462.42, 204,593,563.94 and 81,275,300.90 is: 112,159,721.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,256,462.42 : 204,593,563.94 = 81,275,300.90 : x
  2. Step 2: Convert to fraction form
    148,256,462.42/204,593,563.94 = 81,275,300.90/x
  3. Step 3: Cross multiply
    148,256,462.42x = 204,593,563.94 × 81,275,300.90
  4. Step 4: Simplify right side
    148,256,462.42x = 16,628,403,471,426,890
  5. Step 5: Solve for x
    x = 16,628,403,471,426,890/148,256,462.42
  6. Step 6: Final answer
    x = 112,159,721.07

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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.