Home / 73,019,464.84-100,763,032.62-39,973,382.92

Finding the Fourth Proportional to 73,019,464.84, 100,763,032.62 and 39,973,382.92

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Solution

The fourth proportional to 73,019,464.84, 100,763,032.62 and 39,973,382.92 is: 55,161,172.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,019,464.84 : 100,763,032.62 = 39,973,382.92 : x
  2. Step 2: Convert to fraction form
    73,019,464.84/100,763,032.62 = 39,973,382.92/x
  3. Step 3: Cross multiply
    73,019,464.84x = 100,763,032.62 × 39,973,382.92
  4. Step 4: Simplify right side
    73,019,464.84x = 4,027,839,287,099,711
  5. Step 5: Solve for x
    x = 4,027,839,287,099,711/73,019,464.84
  6. Step 6: Final answer
    x = 55,161,172.38

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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.