Home / 81,287,224.56-112,269,470.40-53,533,998

Finding the Fourth Proportional to 81,287,224.56, 112,269,470.40 and 53,533,998

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Solution

The fourth proportional to 81,287,224.56, 112,269,470.40 and 53,533,998 is: 73,938,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,287,224.56 : 112,269,470.40 = 53,533,998 : x
  2. Step 2: Convert to fraction form
    81,287,224.56/112,269,470.40 = 53,533,998/x
  3. Step 3: Cross multiply
    81,287,224.56x = 112,269,470.40 × 53,533,998
  4. Step 4: Simplify right side
    81,287,224.56x = 6,010,233,603,854,660
  5. Step 5: Solve for x
    x = 6,010,233,603,854,660/81,287,224.56
  6. Step 6: Final answer
    x = 73,938,231.21

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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.