Home / 78,732,722.26-108,651,224.37-43,925,418.06

Finding the Fourth Proportional to 78,732,722.26, 108,651,224.37 and 43,925,418.06

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Solution

The fourth proportional to 78,732,722.26, 108,651,224.37 and 43,925,418.06 is: 60,617,114.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,722.26 : 108,651,224.37 = 43,925,418.06 : x
  2. Step 2: Convert to fraction form
    78,732,722.26/108,651,224.37 = 43,925,418.06/x
  3. Step 3: Cross multiply
    78,732,722.26x = 108,651,224.37 × 43,925,418.06
  4. Step 4: Simplify right side
    78,732,722.26x = 4,772,550,453,183,111
  5. Step 5: Solve for x
    x = 4,772,550,453,183,111/78,732,722.26
  6. Step 6: Final answer
    x = 60,617,114.67

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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.