Home / 313,201,003.86-432,119,874.87-180,993,835.80

Finding the Fourth Proportional to 313,201,003.86, 432,119,874.87 and 180,993,835.80

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Solution

The fourth proportional to 313,201,003.86, 432,119,874.87 and 180,993,835.80 is: 249,715,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,201,003.86 : 432,119,874.87 = 180,993,835.80 : x
  2. Step 2: Convert to fraction form
    313,201,003.86/432,119,874.87 = 180,993,835.80/x
  3. Step 3: Cross multiply
    313,201,003.86x = 432,119,874.87 × 180,993,835.80
  4. Step 4: Simplify right side
    313,201,003.86x = 78,211,033,678,137,328
  5. Step 5: Solve for x
    x = 78,211,033,678,137,328/313,201,003.86
  6. Step 6: Final answer
    x = 249,715,143.68

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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.