Home / 122,008,601.96-168,371,258.76-66,253,524.32

Finding the Fourth Proportional to 122,008,601.96, 168,371,258.76 and 66,253,524.32

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Solution

The fourth proportional to 122,008,601.96, 168,371,258.76 and 66,253,524.32 is: 91,429,531.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,008,601.96 : 168,371,258.76 = 66,253,524.32 : x
  2. Step 2: Convert to fraction form
    122,008,601.96/168,371,258.76 = 66,253,524.32/x
  3. Step 3: Cross multiply
    122,008,601.96x = 168,371,258.76 × 66,253,524.32
  4. Step 4: Simplify right side
    122,008,601.96x = 11,155,189,287,044,672
  5. Step 5: Solve for x
    x = 11,155,189,287,044,672/122,008,601.96
  6. Step 6: Final answer
    x = 91,429,531.26

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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.