Home / 182,031,885.84-273,242,138.22-78,452,208.78

Finding the Fourth Proportional to 182,031,885.84, 273,242,138.22 and 78,452,208.78

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Solution

The fourth proportional to 182,031,885.84, 273,242,138.22 and 78,452,208.78 is: 117,762,056.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,031,885.84 : 273,242,138.22 = 78,452,208.78 : x
  2. Step 2: Convert to fraction form
    182,031,885.84/273,242,138.22 = 78,452,208.78/x
  3. Step 3: Cross multiply
    182,031,885.84x = 273,242,138.22 × 78,452,208.78
  4. Step 4: Simplify right side
    182,031,885.84x = 21,436,449,275,129,060
  5. Step 5: Solve for x
    x = 21,436,449,275,129,060/182,031,885.84
  6. Step 6: Final answer
    x = 117,762,056.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.