Home / 213,641,896.44-320,502,696.66-97,065,426.36

Finding the Fourth Proportional to 213,641,896.44, 320,502,696.66 and 97,065,426.36

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Solution

The fourth proportional to 213,641,896.44, 320,502,696.66 and 97,065,426.36 is: 145,616,245.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,641,896.44 : 320,502,696.66 = 97,065,426.36 : x
  2. Step 2: Convert to fraction form
    213,641,896.44/320,502,696.66 = 97,065,426.36/x
  3. Step 3: Cross multiply
    213,641,896.44x = 320,502,696.66 × 97,065,426.36
  4. Step 4: Simplify right side
    213,641,896.44x = 31,109,730,900,832,652
  5. Step 5: Solve for x
    x = 31,109,730,900,832,652/213,641,896.44
  6. Step 6: Final answer
    x = 145,616,245.78

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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.