Home / 54,408,071.60-81,612,107.40-47,322,191.60

Finding the Fourth Proportional to 54,408,071.60, 81,612,107.40 and 47,322,191.60

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Solution

The fourth proportional to 54,408,071.60, 81,612,107.40 and 47,322,191.60 is: 70,983,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,408,071.60 : 81,612,107.40 = 47,322,191.60 : x
  2. Step 2: Convert to fraction form
    54,408,071.60/81,612,107.40 = 47,322,191.60/x
  3. Step 3: Cross multiply
    54,408,071.60x = 81,612,107.40 × 47,322,191.60
  4. Step 4: Simplify right side
    54,408,071.60x = 3,862,063,783,262,578
  5. Step 5: Solve for x
    x = 3,862,063,783,262,578/54,408,071.60
  6. Step 6: Final answer
    x = 70,983,287.40

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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.