Home / 122,101,856.54-168,501,626.26-66,347,276.80

Finding the Fourth Proportional to 122,101,856.54, 168,501,626.26 and 66,347,276.80

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Solution

The fourth proportional to 122,101,856.54, 168,501,626.26 and 66,347,276.80 is: 91,559,820.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,101,856.54 : 168,501,626.26 = 66,347,276.80 : x
  2. Step 2: Convert to fraction form
    122,101,856.54/168,501,626.26 = 66,347,276.80/x
  3. Step 3: Cross multiply
    122,101,856.54x = 168,501,626.26 × 66,347,276.80
  4. Step 4: Simplify right side
    122,101,856.54x = 11,179,624,038,722,368
  5. Step 5: Solve for x
    x = 11,179,624,038,722,368/122,101,856.54
  6. Step 6: Final answer
    x = 91,559,820.26

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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.