Home / 196,521,107.68-294,626,339.52-98,102,303.20

Finding the Fourth Proportional to 196,521,107.68, 294,626,339.52 and 98,102,303.20

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Solution

The fourth proportional to 196,521,107.68, 294,626,339.52 and 98,102,303.20 is: 147,075,918.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,521,107.68 : 294,626,339.52 = 98,102,303.20 : x
  2. Step 2: Convert to fraction form
    196,521,107.68/294,626,339.52 = 98,102,303.20/x
  3. Step 3: Cross multiply
    196,521,107.68x = 294,626,339.52 × 98,102,303.20
  4. Step 4: Simplify right side
    196,521,107.68x = 28,903,522,490,297,180
  5. Step 5: Solve for x
    x = 28,903,522,490,297,180/196,521,107.68
  6. Step 6: Final answer
    x = 147,075,918.87

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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.