Home / 105,640,941.56-145,781,686.41-60,985,406.55

Finding the Fourth Proportional to 105,640,941.56, 145,781,686.41 and 60,985,406.55

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Solution

The fourth proportional to 105,640,941.56, 145,781,686.41 and 60,985,406.55 is: 84,158,237.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,640,941.56 : 145,781,686.41 = 60,985,406.55 : x
  2. Step 2: Convert to fraction form
    105,640,941.56/145,781,686.41 = 60,985,406.55/x
  3. Step 3: Cross multiply
    105,640,941.56x = 145,781,686.41 × 60,985,406.55
  4. Step 4: Simplify right side
    105,640,941.56x = 8,890,555,413,576,446
  5. Step 5: Solve for x
    x = 8,890,555,413,576,446/105,640,941.56
  6. Step 6: Final answer
    x = 84,158,237.16

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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.