Home / 208,098,193.80-311,848,692.30-153,081,438.60

Finding the Fourth Proportional to 208,098,193.80, 311,848,692.30 and 153,081,438.60

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Solution

The fourth proportional to 208,098,193.80, 311,848,692.30 and 153,081,438.60 is: 229,402,502.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,098,193.80 : 311,848,692.30 = 153,081,438.60 : x
  2. Step 2: Convert to fraction form
    208,098,193.80/311,848,692.30 = 153,081,438.60/x
  3. Step 3: Cross multiply
    208,098,193.80x = 311,848,692.30 × 153,081,438.60
  4. Step 4: Simplify right side
    208,098,193.80x = 47,738,246,442,812,744
  5. Step 5: Solve for x
    x = 47,738,246,442,812,744/208,098,193.80
  6. Step 6: Final answer
    x = 229,402,502.59

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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.