Home / 54,408,069.60-81,612,104.40-47,322,189.60

Finding the Fourth Proportional to 54,408,069.60, 81,612,104.40 and 47,322,189.60

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Solution

The fourth proportional to 54,408,069.60, 81,612,104.40 and 47,322,189.60 is: 70,983,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,408,069.60 : 81,612,104.40 = 47,322,189.60 : x
  2. Step 2: Convert to fraction form
    54,408,069.60/81,612,104.40 = 47,322,189.60/x
  3. Step 3: Cross multiply
    54,408,069.60x = 81,612,104.40 × 47,322,189.60
  4. Step 4: Simplify right side
    54,408,069.60x = 3,862,063,478,071,794.50
  5. Step 5: Solve for x
    x = 3,862,063,478,071,794.50/54,408,069.60
  6. Step 6: Final answer
    x = 70,983,284.40

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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.