Home / 141,380,491.80-212,070,737.70-73,356,043.80

Finding the Fourth Proportional to 141,380,491.80, 212,070,737.70 and 73,356,043.80

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Solution

The fourth proportional to 141,380,491.80, 212,070,737.70 and 73,356,043.80 is: 110,034,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,380,491.80 : 212,070,737.70 = 73,356,043.80 : x
  2. Step 2: Convert to fraction form
    141,380,491.80/212,070,737.70 = 73,356,043.80/x
  3. Step 3: Cross multiply
    141,380,491.80x = 212,070,737.70 × 73,356,043.80
  4. Step 4: Simplify right side
    141,380,491.80x = 15,556,670,323,419,510
  5. Step 5: Solve for x
    x = 15,556,670,323,419,510/141,380,491.80
  6. Step 6: Final answer
    x = 110,034,065.70

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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.