Home / 81,534,499.20-112,522,264.61-46,732,986.90

Finding the Fourth Proportional to 81,534,499.20, 112,522,264.61 and 46,732,986.90

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Solution

The fourth proportional to 81,534,499.20, 112,522,264.61 and 46,732,986.90 is: 64,494,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,534,499.20 : 112,522,264.61 = 46,732,986.90 : x
  2. Step 2: Convert to fraction form
    81,534,499.20/112,522,264.61 = 46,732,986.90/x
  3. Step 3: Cross multiply
    81,534,499.20x = 112,522,264.61 × 46,732,986.90
  4. Step 4: Simplify right side
    81,534,499.20x = 5,258,501,517,743,799
  5. Step 5: Solve for x
    x = 5,258,501,517,743,799/81,534,499.20
  6. Step 6: Final answer
    x = 64,494,190.43

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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.