Home / 81,748,564.89-122,582,471.67-29,894,078.58

Finding the Fourth Proportional to 81,748,564.89, 122,582,471.67 and 29,894,078.58

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Solution

The fourth proportional to 81,748,564.89, 122,582,471.67 and 29,894,078.58 is: 44,826,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,748,564.89 : 122,582,471.67 = 29,894,078.58 : x
  2. Step 2: Convert to fraction form
    81,748,564.89/122,582,471.67 = 29,894,078.58/x
  3. Step 3: Cross multiply
    81,748,564.89x = 122,582,471.67 × 29,894,078.58
  4. Step 4: Simplify right side
    81,748,564.89x = 3,664,490,040,633,603.50
  5. Step 5: Solve for x
    x = 3,664,490,040,633,603.50/81,748,564.89
  6. Step 6: Final answer
    x = 44,826,353.17

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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.