Home / 43,638,321.76-65,457,810.70-19,370,724.60

Finding the Fourth Proportional to 43,638,321.76, 65,457,810.70 and 19,370,724.60

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Solution

The fourth proportional to 43,638,321.76, 65,457,810.70 and 19,370,724.60 is: 29,056,232.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,638,321.76 : 65,457,810.70 = 19,370,724.60 : x
  2. Step 2: Convert to fraction form
    43,638,321.76/65,457,810.70 = 19,370,724.60/x
  3. Step 3: Cross multiply
    43,638,321.76x = 65,457,810.70 × 19,370,724.60
  4. Step 4: Simplify right side
    43,638,321.76x = 1,267,965,223,988,633.50
  5. Step 5: Solve for x
    x = 1,267,965,223,988,633.50/43,638,321.76
  6. Step 6: Final answer
    x = 29,056,232.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.