Home / 54,408,059.60-81,612,089.40-47,322,179.60

Finding the Fourth Proportional to 54,408,059.60, 81,612,089.40 and 47,322,179.60

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Solution

The fourth proportional to 54,408,059.60, 81,612,089.40 and 47,322,179.60 is: 70,983,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,408,059.60 : 81,612,089.40 = 47,322,179.60 : x
  2. Step 2: Convert to fraction form
    54,408,059.60/81,612,089.40 = 47,322,179.60/x
  3. Step 3: Cross multiply
    54,408,059.60x = 81,612,089.40 × 47,322,179.60
  4. Step 4: Simplify right side
    54,408,059.60x = 3,862,061,952,118,056.50
  5. Step 5: Solve for x
    x = 3,862,061,952,118,056.50/54,408,059.60
  6. Step 6: Final answer
    x = 70,983,269.40

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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.