Home / 82,556,267.40-123,787,745.10-31,439,953.80

Finding the Fourth Proportional to 82,556,267.40, 123,787,745.10 and 31,439,953.80

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Solution

The fourth proportional to 82,556,267.40, 123,787,745.10 and 31,439,953.80 is: 47,142,162.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,556,267.40 : 123,787,745.10 = 31,439,953.80 : x
  2. Step 2: Convert to fraction form
    82,556,267.40/123,787,745.10 = 31,439,953.80/x
  3. Step 3: Cross multiply
    82,556,267.40x = 123,787,745.10 × 31,439,953.80
  4. Step 4: Simplify right side
    82,556,267.40x = 3,891,880,986,950,176.50
  5. Step 5: Solve for x
    x = 3,891,880,986,950,176.50/82,556,267.40
  6. Step 6: Final answer
    x = 47,142,162.67

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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.