Home / 82,286,920,107.60-123,430,380,161.40-65,756,979,243.60

Finding the Fourth Proportional to 82,286,920,107.60, 123,430,380,161.40 and 65,756,979,243.60

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Solution

The fourth proportional to 82,286,920,107.60, 123,430,380,161.40 and 65,756,979,243.60 is: 98,635,468,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,286,920,107.60 : 123,430,380,161.40 = 65,756,979,243.60 : x
  2. Step 2: Convert to fraction form
    82,286,920,107.60/123,430,380,161.40 = 65,756,979,243.60/x
  3. Step 3: Cross multiply
    82,286,920,107.60x = 123,430,380,161.40 × 65,756,979,243.60
  4. Step 4: Simplify right side
    82,286,920,107.60x = 8,116,408,946,302,836,015,104
  5. Step 5: Solve for x
    x = 8,116,408,946,302,836,015,104/82,286,920,107.60
  6. Step 6: Final answer
    x = 98,635,468,865.40

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1.5x scale

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.