Home / 141,379,849.80-212,069,774.70-73,355,401.80

Finding the Fourth Proportional to 141,379,849.80, 212,069,774.70 and 73,355,401.80

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Solution

The fourth proportional to 141,379,849.80, 212,069,774.70 and 73,355,401.80 is: 110,033,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,379,849.80 : 212,069,774.70 = 73,355,401.80 : x
  2. Step 2: Convert to fraction form
    141,379,849.80/212,069,774.70 = 73,355,401.80/x
  3. Step 3: Cross multiply
    141,379,849.80x = 212,069,774.70 × 73,355,401.80
  4. Step 4: Simplify right side
    141,379,849.80x = 15,556,463,532,753,972
  5. Step 5: Solve for x
    x = 15,556,463,532,753,972/141,379,849.80
  6. Step 6: Final answer
    x = 110,033,102.70

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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.