Home / 211,467,407.18-317,200,674.61-119,309,309.84

Finding the Fourth Proportional to 211,467,407.18, 317,200,674.61 and 119,309,309.84

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Solution

The fourth proportional to 211,467,407.18, 317,200,674.61 and 119,309,309.84 is: 178,963,718.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,467,407.18 : 317,200,674.61 = 119,309,309.84 : x
  2. Step 2: Convert to fraction form
    211,467,407.18/317,200,674.61 = 119,309,309.84/x
  3. Step 3: Cross multiply
    211,467,407.18x = 317,200,674.61 × 119,309,309.84
  4. Step 4: Simplify right side
    211,467,407.18x = 37,844,993,569,443,648
  5. Step 5: Solve for x
    x = 37,844,993,569,443,648/211,467,407.18
  6. Step 6: Final answer
    x = 178,963,718.68

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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.