Home / 122,658,946.63-169,269,346.90-66,904,364.16

Finding the Fourth Proportional to 122,658,946.63, 169,269,346.90 and 66,904,364.16

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Solution

The fourth proportional to 122,658,946.63, 169,269,346.90 and 66,904,364.16 is: 92,328,022.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,658,946.63 : 169,269,346.90 = 66,904,364.16 : x
  2. Step 2: Convert to fraction form
    122,658,946.63/169,269,346.90 = 66,904,364.16/x
  3. Step 3: Cross multiply
    122,658,946.63x = 169,269,346.90 × 66,904,364.16
  4. Step 4: Simplify right side
    122,658,946.63x = 11,324,858,026,122,966
  5. Step 5: Solve for x
    x = 11,324,858,026,122,966/122,658,946.63
  6. Step 6: Final answer
    x = 92,328,022.84

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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.