Home / 152,997,016.85-229,370,472.60-71,166,912.65

Finding the Fourth Proportional to 152,997,016.85, 229,370,472.60 and 71,166,912.65

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Solution

The fourth proportional to 152,997,016.85, 229,370,472.60 and 71,166,912.65 is: 106,692,200.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,997,016.85 : 229,370,472.60 = 71,166,912.65 : x
  2. Step 2: Convert to fraction form
    152,997,016.85/229,370,472.60 = 71,166,912.65/x
  3. Step 3: Cross multiply
    152,997,016.85x = 229,370,472.60 × 71,166,912.65
  4. Step 4: Simplify right side
    152,997,016.85x = 16,323,588,388,013,420
  5. Step 5: Solve for x
    x = 16,323,588,388,013,420/152,997,016.85
  6. Step 6: Final answer
    x = 106,692,200.44

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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.