Home / 43,638,308.25-65,457,790.43-19,370,711.09

Finding the Fourth Proportional to 43,638,308.25, 65,457,790.43 and 19,370,711.09

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Solution

The fourth proportional to 43,638,308.25, 65,457,790.43 and 19,370,711.09 is: 29,056,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,638,308.25 : 65,457,790.43 = 19,370,711.09 : x
  2. Step 2: Convert to fraction form
    43,638,308.25/65,457,790.43 = 19,370,711.09/x
  3. Step 3: Cross multiply
    43,638,308.25x = 65,457,790.43 × 19,370,711.09
  4. Step 4: Simplify right side
    43,638,308.25x = 1,267,963,946,585,154.25
  5. Step 5: Solve for x
    x = 1,267,963,946,585,154.25/43,638,308.25
  6. Step 6: Final answer
    x = 29,056,212.25

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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.