Home / 208,998,882.42-288,383,595.21-116,166,768.54

Finding the Fourth Proportional to 208,998,882.42, 288,383,595.21 and 116,166,768.54

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Solution

The fourth proportional to 208,998,882.42, 288,383,595.21 and 116,166,768.54 is: 160,290,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,998,882.42 : 288,383,595.21 = 116,166,768.54 : x
  2. Step 2: Convert to fraction form
    208,998,882.42/288,383,595.21 = 116,166,768.54/x
  3. Step 3: Cross multiply
    208,998,882.42x = 288,383,595.21 × 116,166,768.54
  4. Step 4: Simplify right side
    208,998,882.42x = 33,500,590,355,493,124
  5. Step 5: Solve for x
    x = 33,500,590,355,493,124/208,998,882.42
  6. Step 6: Final answer
    x = 160,290,763.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.