Home / 54,435,350.40-81,653,025.60-31,477,099.20

Finding the Fourth Proportional to 54,435,350.40, 81,653,025.60 and 31,477,099.20

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Solution

The fourth proportional to 54,435,350.40, 81,653,025.60 and 31,477,099.20 is: 47,215,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435,350.40 : 81,653,025.60 = 31,477,099.20 : x
  2. Step 2: Convert to fraction form
    54,435,350.40/81,653,025.60 = 31,477,099.20/x
  3. Step 3: Cross multiply
    54,435,350.40x = 81,653,025.60 × 31,477,099.20
  4. Step 4: Simplify right side
    54,435,350.40x = 2,570,200,386,791,339.50
  5. Step 5: Solve for x
    x = 2,570,200,386,791,339.50/54,435,350.40
  6. Step 6: Final answer
    x = 47,215,648.80

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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.