Home / 105,640,942.06-145,781,687.10-60,985,407.06

Finding the Fourth Proportional to 105,640,942.06, 145,781,687.10 and 60,985,407.06

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Solution

The fourth proportional to 105,640,942.06, 145,781,687.10 and 60,985,407.06 is: 84,158,237.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,640,942.06 : 145,781,687.10 = 60,985,407.06 : x
  2. Step 2: Convert to fraction form
    105,640,942.06/145,781,687.10 = 60,985,407.06/x
  3. Step 3: Cross multiply
    105,640,942.06x = 145,781,687.10 × 60,985,407.06
  4. Step 4: Simplify right side
    105,640,942.06x = 8,890,555,528,653,215
  5. Step 5: Solve for x
    x = 8,890,555,528,653,215/105,640,942.06
  6. Step 6: Final answer
    x = 84,158,237.85

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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.