Home / 105,640,944.06-145,781,689.85-60,985,409.06

Finding the Fourth Proportional to 105,640,944.06, 145,781,689.85 and 60,985,409.06

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Solution

The fourth proportional to 105,640,944.06, 145,781,689.85 and 60,985,409.06 is: 84,158,240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,640,944.06 : 145,781,689.85 = 60,985,409.06 : x
  2. Step 2: Convert to fraction form
    105,640,944.06/145,781,689.85 = 60,985,409.06/x
  3. Step 3: Cross multiply
    105,640,944.06x = 145,781,689.85 × 60,985,409.06
  4. Step 4: Simplify right side
    105,640,944.06x = 8,890,555,988,960,300
  5. Step 5: Solve for x
    x = 8,890,555,988,960,300/105,640,944.06
  6. Step 6: Final answer
    x = 84,158,240.61

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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.