Home / 81,523,287.36-112,459,257.36-48,460,019.04

Finding the Fourth Proportional to 81,523,287.36, 112,459,257.36 and 48,460,019.04

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Solution

The fourth proportional to 81,523,287.36, 112,459,257.36 and 48,460,019.04 is: 66,849,337.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,523,287.36 : 112,459,257.36 = 48,460,019.04 : x
  2. Step 2: Convert to fraction form
    81,523,287.36/112,459,257.36 = 48,460,019.04/x
  3. Step 3: Cross multiply
    81,523,287.36x = 112,459,257.36 × 48,460,019.04
  4. Step 4: Simplify right side
    81,523,287.36x = 5,449,777,752,889,860
  5. Step 5: Solve for x
    x = 5,449,777,752,889,860/81,523,287.36
  6. Step 6: Final answer
    x = 66,849,337.53

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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.