Home / 145,634,911.20-218,536,347.60-54,823,672.80

Finding the Fourth Proportional to 145,634,911.20, 218,536,347.60 and 54,823,672.80

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Solution

The fourth proportional to 145,634,911.20, 218,536,347.60 and 54,823,672.80 is: 82,267,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,634,911.20 : 218,536,347.60 = 54,823,672.80 : x
  2. Step 2: Convert to fraction form
    145,634,911.20/218,536,347.60 = 54,823,672.80/x
  3. Step 3: Cross multiply
    145,634,911.20x = 218,536,347.60 × 54,823,672.80
  4. Step 4: Simplify right side
    145,634,911.20x = 11,980,965,215,729,464
  5. Step 5: Solve for x
    x = 11,980,965,215,729,464/145,634,911.20
  6. Step 6: Final answer
    x = 82,267,123.43

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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.