Home / 118,848,000.80-178,272,001.20-102,408,759.20

Finding the Fourth Proportional to 118,848,000.80, 178,272,001.20 and 102,408,759.20

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Solution

The fourth proportional to 118,848,000.80, 178,272,001.20 and 102,408,759.20 is: 153,613,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,848,000.80 : 178,272,001.20 = 102,408,759.20 : x
  2. Step 2: Convert to fraction form
    118,848,000.80/178,272,001.20 = 102,408,759.20/x
  3. Step 3: Cross multiply
    118,848,000.80x = 178,272,001.20 × 102,408,759.20
  4. Step 4: Simplify right side
    118,848,000.80x = 18,256,614,442,992,912
  5. Step 5: Solve for x
    x = 18,256,614,442,992,912/118,848,000.80
  6. Step 6: Final answer
    x = 153,613,138.80

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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.