Home / 81,023,766.54-111,812,789.10-43,854,040

Finding the Fourth Proportional to 81,023,766.54, 111,812,789.10 and 43,854,040

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Solution

The fourth proportional to 81,023,766.54, 111,812,789.10 and 43,854,040 is: 60,518,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,023,766.54 : 111,812,789.10 = 43,854,040 : x
  2. Step 2: Convert to fraction form
    81,023,766.54/111,812,789.10 = 43,854,040/x
  3. Step 3: Cross multiply
    81,023,766.54x = 111,812,789.10 × 43,854,040
  4. Step 4: Simplify right side
    81,023,766.54x = 4,903,442,525,702,964
  5. Step 5: Solve for x
    x = 4,903,442,525,702,964/81,023,766.54
  6. Step 6: Final answer
    x = 60,518,570.48

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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.