Home / 229,804,486.43-317,228,044.65-154,494,491.36

Finding the Fourth Proportional to 229,804,486.43, 317,228,044.65 and 154,494,491.36

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Solution

The fourth proportional to 229,804,486.43, 317,228,044.65 and 154,494,491.36 is: 213,268,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,804,486.43 : 317,228,044.65 = 154,494,491.36 : x
  2. Step 2: Convert to fraction form
    229,804,486.43/317,228,044.65 = 154,494,491.36/x
  3. Step 3: Cross multiply
    229,804,486.43x = 317,228,044.65 × 154,494,491.36
  4. Step 4: Simplify right side
    229,804,486.43x = 49,009,985,401,742,968
  5. Step 5: Solve for x
    x = 49,009,985,401,742,968/229,804,486.43
  6. Step 6: Final answer
    x = 213,268,183.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.