Home / 76,127,757.32-105,056,411.38-41,320,455

Finding the Fourth Proportional to 76,127,757.32, 105,056,411.38 and 41,320,455

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Solution

The fourth proportional to 76,127,757.32, 105,056,411.38 and 41,320,455 is: 57,022,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,127,757.32 : 105,056,411.38 = 41,320,455 : x
  2. Step 2: Convert to fraction form
    76,127,757.32/105,056,411.38 = 41,320,455/x
  3. Step 3: Cross multiply
    76,127,757.32x = 105,056,411.38 × 41,320,455
  4. Step 4: Simplify right side
    76,127,757.32x = 4,340,978,718,888,777.50
  5. Step 5: Solve for x
    x = 4,340,978,718,888,777.50/76,127,757.32
  6. Step 6: Final answer
    x = 57,022,285.59

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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.