Home / 208,098,195.30-311,848,694.55-153,081,440.10

Finding the Fourth Proportional to 208,098,195.30, 311,848,694.55 and 153,081,440.10

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Solution

The fourth proportional to 208,098,195.30, 311,848,694.55 and 153,081,440.10 is: 229,402,504.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,098,195.30 : 311,848,694.55 = 153,081,440.10 : x
  2. Step 2: Convert to fraction form
    208,098,195.30/311,848,694.55 = 153,081,440.10/x
  3. Step 3: Cross multiply
    208,098,195.30x = 311,848,694.55 × 153,081,440.10
  4. Step 4: Simplify right side
    208,098,195.30x = 47,738,247,255,019,024
  5. Step 5: Solve for x
    x = 47,738,247,255,019,024/208,098,195.30
  6. Step 6: Final answer
    x = 229,402,504.84

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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.