Home / 215,606,498.40-323,409,747.60-154,384,495.20

Finding the Fourth Proportional to 215,606,498.40, 323,409,747.60 and 154,384,495.20

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Solution

The fourth proportional to 215,606,498.40, 323,409,747.60 and 154,384,495.20 is: 231,576,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,606,498.40 : 323,409,747.60 = 154,384,495.20 : x
  2. Step 2: Convert to fraction form
    215,606,498.40/323,409,747.60 = 154,384,495.20/x
  3. Step 3: Cross multiply
    215,606,498.40x = 323,409,747.60 × 154,384,495.20
  4. Step 4: Simplify right side
    215,606,498.40x = 49,929,450,625,985,408
  5. Step 5: Solve for x
    x = 49,929,450,625,985,408/215,606,498.40
  6. Step 6: Final answer
    x = 231,576,742.80

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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.