Home / 262,647,048.71-362,446,605.29-143,564,297.69

Finding the Fourth Proportional to 262,647,048.71, 362,446,605.29 and 143,564,297.69

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Solution

The fourth proportional to 262,647,048.71, 362,446,605.29 and 143,564,297.69 is: 198,115,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,647,048.71 : 362,446,605.29 = 143,564,297.69 : x
  2. Step 2: Convert to fraction form
    262,647,048.71/362,446,605.29 = 143,564,297.69/x
  3. Step 3: Cross multiply
    262,647,048.71x = 362,446,605.29 × 143,564,297.69
  4. Step 4: Simplify right side
    262,647,048.71x = 52,034,392,336,053,440
  5. Step 5: Solve for x
    x = 52,034,392,336,053,440/262,647,048.71
  6. Step 6: Final answer
    x = 198,115,275.21

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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.