Home / 81,287,225.56-112,269,471.78-53,533,999

Finding the Fourth Proportional to 81,287,225.56, 112,269,471.78 and 53,533,999

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Solution

The fourth proportional to 81,287,225.56, 112,269,471.78 and 53,533,999 is: 73,938,232.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,287,225.56 : 112,269,471.78 = 53,533,999 : x
  2. Step 2: Convert to fraction form
    81,287,225.56/112,269,471.78 = 53,533,999/x
  3. Step 3: Cross multiply
    81,287,225.56x = 112,269,471.78 × 53,533,999
  4. Step 4: Simplify right side
    81,287,225.56x = 6,010,233,790,001,048
  5. Step 5: Solve for x
    x = 6,010,233,790,001,048/81,287,225.56
  6. Step 6: Final answer
    x = 73,938,232.59

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1.5x scale

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.