Home / 358,100,179.20-537,150,239.40-99,315,396.72

Finding the Fourth Proportional to 358,100,179.20, 537,150,239.40 and 99,315,396.72

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Solution

The fourth proportional to 358,100,179.20, 537,150,239.40 and 99,315,396.72 is: 148,973,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,100,179.20 : 537,150,239.40 = 99,315,396.72 : x
  2. Step 2: Convert to fraction form
    358,100,179.20/537,150,239.40 = 99,315,396.72/x
  3. Step 3: Cross multiply
    358,100,179.20x = 537,150,239.40 × 99,315,396.72
  4. Step 4: Simplify right side
    358,100,179.20x = 53,347,289,124,253,968
  5. Step 5: Solve for x
    x = 53,347,289,124,253,968/358,100,179.20
  6. Step 6: Final answer
    x = 148,973,086.93

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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.