Home / 262,180,190.40-361,809,393.21-143,103,857.82

Finding the Fourth Proportional to 262,180,190.40, 361,809,393.21 and 143,103,857.82

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Solution

The fourth proportional to 262,180,190.40, 361,809,393.21 and 143,103,857.82 is: 197,483,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,180,190.40 : 361,809,393.21 = 143,103,857.82 : x
  2. Step 2: Convert to fraction form
    262,180,190.40/361,809,393.21 = 143,103,857.82/x
  3. Step 3: Cross multiply
    262,180,190.40x = 361,809,393.21 × 143,103,857.82
  4. Step 4: Simplify right side
    262,180,190.40x = 51,776,319,963,864,304
  5. Step 5: Solve for x
    x = 51,776,319,963,864,304/262,180,190.40
  6. Step 6: Final answer
    x = 197,483,722.49

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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.