Home / 96,768,644.40-145,165,408.20-48,271,287.60

Finding the Fourth Proportional to 96,768,644.40, 145,165,408.20 and 48,271,287.60

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Solution

The fourth proportional to 96,768,644.40, 145,165,408.20 and 48,271,287.60 is: 72,413,137.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,768,644.40 : 145,165,408.20 = 48,271,287.60 : x
  2. Step 2: Convert to fraction form
    96,768,644.40/145,165,408.20 = 48,271,287.60/x
  3. Step 3: Cross multiply
    96,768,644.40x = 145,165,408.20 × 48,271,287.60
  4. Step 4: Simplify right side
    96,768,644.40x = 7,007,321,168,793,598
  5. Step 5: Solve for x
    x = 7,007,321,168,793,598/96,768,644.40
  6. Step 6: Final answer
    x = 72,413,137.67

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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.