Home / 105,640,942.56-145,781,687.79-60,985,407.56

Finding the Fourth Proportional to 105,640,942.56, 145,781,687.79 and 60,985,407.56

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Solution

The fourth proportional to 105,640,942.56, 145,781,687.79 and 60,985,407.56 is: 84,158,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,640,942.56 : 145,781,687.79 = 60,985,407.56 : x
  2. Step 2: Convert to fraction form
    105,640,942.56/145,781,687.79 = 60,985,407.56/x
  3. Step 3: Cross multiply
    105,640,942.56x = 145,781,687.79 × 60,985,407.56
  4. Step 4: Simplify right side
    105,640,942.56x = 8,890,555,643,623,990
  5. Step 5: Solve for x
    x = 8,890,555,643,623,990/105,640,942.56
  6. Step 6: Final answer
    x = 84,158,238.54

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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.