Home / 72,641,977.49-100,247,433.09-40,852,754.58

Finding the Fourth Proportional to 72,641,977.49, 100,247,433.09 and 40,852,754.58

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Solution

The fourth proportional to 72,641,977.49, 100,247,433.09 and 40,852,754.58 is: 56,377,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,641,977.49 : 100,247,433.09 = 40,852,754.58 : x
  2. Step 2: Convert to fraction form
    72,641,977.49/100,247,433.09 = 40,852,754.58/x
  3. Step 3: Cross multiply
    72,641,977.49x = 100,247,433.09 × 40,852,754.58
  4. Step 4: Simplify right side
    72,641,977.49x = 4,095,383,781,300,741
  5. Step 5: Solve for x
    x = 4,095,383,781,300,741/72,641,977.49
  6. Step 6: Final answer
    x = 56,377,647.23

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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.