Home / 73,019,465.84-100,763,033.98-39,973,383.92

Finding the Fourth Proportional to 73,019,465.84, 100,763,033.98 and 39,973,383.92

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Solution

The fourth proportional to 73,019,465.84, 100,763,033.98 and 39,973,383.92 is: 55,161,173.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,019,465.84 : 100,763,033.98 = 39,973,383.92 : x
  2. Step 2: Convert to fraction form
    73,019,465.84/100,763,033.98 = 39,973,383.92/x
  3. Step 3: Cross multiply
    73,019,465.84x = 100,763,033.98 × 39,973,383.92
  4. Step 4: Simplify right side
    73,019,465.84x = 4,027,839,442,226,546
  5. Step 5: Solve for x
    x = 4,027,839,442,226,546/73,019,465.84
  6. Step 6: Final answer
    x = 55,161,173.75

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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.