Home / 215,541,000.30-323,311,500.45-100,537,167.90

Finding the Fourth Proportional to 215,541,000.30, 323,311,500.45 and 100,537,167.90

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Solution

The fourth proportional to 215,541,000.30, 323,311,500.45 and 100,537,167.90 is: 150,805,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,541,000.30 : 323,311,500.45 = 100,537,167.90 : x
  2. Step 2: Convert to fraction form
    215,541,000.30/323,311,500.45 = 100,537,167.90/x
  3. Step 3: Cross multiply
    215,541,000.30x = 323,311,500.45 × 100,537,167.90
  4. Step 4: Simplify right side
    215,541,000.30x = 32,504,822,604,742,576
  5. Step 5: Solve for x
    x = 32,504,822,604,742,576/215,541,000.30
  6. Step 6: Final answer
    x = 150,805,751.85

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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.