Home / 170,468,610.60-255,408,983.10-79,405,429.80

Finding the Fourth Proportional to 170,468,610.60, 255,408,983.10 and 79,405,429.80

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Solution

The fourth proportional to 170,468,610.60, 255,408,983.10 and 79,405,429.80 is: 118,971,228.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,468,610.60 : 255,408,983.10 = 79,405,429.80 : x
  2. Step 2: Convert to fraction form
    170,468,610.60/255,408,983.10 = 79,405,429.80/x
  3. Step 3: Cross multiply
    170,468,610.60x = 255,408,983.10 × 79,405,429.80
  4. Step 4: Simplify right side
    170,468,610.60x = 20,280,860,077,836,436
  5. Step 5: Solve for x
    x = 20,280,860,077,836,436/170,468,610.60
  6. Step 6: Final answer
    x = 118,971,228.82

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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.