Home / 103,589,662.60-155,384,493.90-99,166,673.80

Finding the Fourth Proportional to 103,589,662.60, 155,384,493.90 and 99,166,673.80

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Solution

The fourth proportional to 103,589,662.60, 155,384,493.90 and 99,166,673.80 is: 148,750,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,589,662.60 : 155,384,493.90 = 99,166,673.80 : x
  2. Step 2: Convert to fraction form
    103,589,662.60/155,384,493.90 = 99,166,673.80/x
  3. Step 3: Cross multiply
    103,589,662.60x = 155,384,493.90 × 99,166,673.80
  4. Step 4: Simplify right side
    103,589,662.60x = 15,408,963,420,159,390
  5. Step 5: Solve for x
    x = 15,408,963,420,159,390/103,589,662.60
  6. Step 6: Final answer
    x = 148,750,010.70

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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.