Home / 73,019,463.84-100,763,031.24-39,973,381.92

Finding the Fourth Proportional to 73,019,463.84, 100,763,031.24 and 39,973,381.92

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Solution

The fourth proportional to 73,019,463.84, 100,763,031.24 and 39,973,381.92 is: 55,161,171.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,019,463.84 : 100,763,031.24 = 39,973,381.92 : x
  2. Step 2: Convert to fraction form
    73,019,463.84/100,763,031.24 = 39,973,381.92/x
  3. Step 3: Cross multiply
    73,019,463.84x = 100,763,031.24 × 39,973,381.92
  4. Step 4: Simplify right side
    73,019,463.84x = 4,027,839,131,173,411
  5. Step 5: Solve for x
    x = 4,027,839,131,173,411/73,019,463.84
  6. Step 6: Final answer
    x = 55,161,171.00

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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.