Home / 122,477,418.66-169,018,541.83-66,723,297.22

Finding the Fourth Proportional to 122,477,418.66, 169,018,541.83 and 66,723,297.22

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Solution

The fourth proportional to 122,477,418.66, 169,018,541.83 and 66,723,297.22 is: 92,077,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,477,418.66 : 169,018,541.83 = 66,723,297.22 : x
  2. Step 2: Convert to fraction form
    122,477,418.66/169,018,541.83 = 66,723,297.22/x
  3. Step 3: Cross multiply
    122,477,418.66x = 169,018,541.83 × 66,723,297.22
  4. Step 4: Simplify right side
    122,477,418.66x = 11,277,474,401,369,002
  5. Step 5: Solve for x
    x = 11,277,474,401,369,002/122,477,418.66
  6. Step 6: Final answer
    x = 92,077,988.95

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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.