Home / 72,882,488.05-100,042,461.97-64,437,558.41

Finding the Fourth Proportional to 72,882,488.05, 100,042,461.97 and 64,437,558.41

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Solution

The fourth proportional to 72,882,488.05, 100,042,461.97 and 64,437,558.41 is: 88,450,492.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,882,488.05 : 100,042,461.97 = 64,437,558.41 : x
  2. Step 2: Convert to fraction form
    72,882,488.05/100,042,461.97 = 64,437,558.41/x
  3. Step 3: Cross multiply
    72,882,488.05x = 100,042,461.97 × 64,437,558.41
  4. Step 4: Simplify right side
    72,882,488.05x = 6,446,491,987,123,230
  5. Step 5: Solve for x
    x = 6,446,491,987,123,230/72,882,488.05
  6. Step 6: Final answer
    x = 88,450,492.83

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.