Home / 317,651,143.96-476,064,772.62-142,644,954.52

Finding the Fourth Proportional to 317,651,143.96, 476,064,772.62 and 142,644,954.52

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Solution

The fourth proportional to 317,651,143.96, 476,064,772.62 and 142,644,954.52 is: 213,782,443.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,651,143.96 : 476,064,772.62 = 142,644,954.52 : x
  2. Step 2: Convert to fraction form
    317,651,143.96/476,064,772.62 = 142,644,954.52/x
  3. Step 3: Cross multiply
    317,651,143.96x = 476,064,772.62 × 142,644,954.52
  4. Step 4: Simplify right side
    317,651,143.96x = 67,908,237,838,954,048
  5. Step 5: Solve for x
    x = 67,908,237,838,954,048/317,651,143.96
  6. Step 6: Final answer
    x = 213,782,443.82

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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.