Home / 196,521,089.21-294,626,311.87-98,102,284.85

Finding the Fourth Proportional to 196,521,089.21, 294,626,311.87 and 98,102,284.85

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Solution

The fourth proportional to 196,521,089.21, 294,626,311.87 and 98,102,284.85 is: 147,075,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,521,089.21 : 294,626,311.87 = 98,102,284.85 : x
  2. Step 2: Convert to fraction form
    196,521,089.21/294,626,311.87 = 98,102,284.85/x
  3. Step 3: Cross multiply
    196,521,089.21x = 294,626,311.87 × 98,102,284.85
  4. Step 4: Simplify right side
    196,521,089.21x = 28,903,514,371,375,676
  5. Step 5: Solve for x
    x = 28,903,514,371,375,676/196,521,089.21
  6. Step 6: Final answer
    x = 147,075,891.39

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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.