Home / 72,994,406.27-100,734,842.70-39,954,682.44

Finding the Fourth Proportional to 72,994,406.27, 100,734,842.70 and 39,954,682.44

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Solution

The fourth proportional to 72,994,406.27, 100,734,842.70 and 39,954,682.44 is: 55,138,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,994,406.27 : 100,734,842.70 = 39,954,682.44 : x
  2. Step 2: Convert to fraction form
    72,994,406.27/100,734,842.70 = 39,954,682.44/x
  3. Step 3: Cross multiply
    72,994,406.27x = 100,734,842.70 × 39,954,682.44
  4. Step 4: Simplify right side
    72,994,406.27x = 4,024,828,650,721,852
  5. Step 5: Solve for x
    x = 4,024,828,650,721,852/72,994,406.27
  6. Step 6: Final answer
    x = 55,138,864.15

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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.