Home / 154,556,780.70-231,636,105.45-118,476,140.70

Finding the Fourth Proportional to 154,556,780.70, 231,636,105.45 and 118,476,140.70

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Solution

The fourth proportional to 154,556,780.70, 231,636,105.45 and 118,476,140.70 is: 177,561,616.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,556,780.70 : 231,636,105.45 = 118,476,140.70 : x
  2. Step 2: Convert to fraction form
    154,556,780.70/231,636,105.45 = 118,476,140.70/x
  3. Step 3: Cross multiply
    154,556,780.70x = 231,636,105.45 × 118,476,140.70
  4. Step 4: Simplify right side
    154,556,780.70x = 27,443,351,820,494,236
  5. Step 5: Solve for x
    x = 27,443,351,820,494,236/154,556,780.70
  6. Step 6: Final answer
    x = 177,561,616.49

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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.