Home / 156,021,000.60-234,031,500.90-79,493,496.60

Finding the Fourth Proportional to 156,021,000.60, 234,031,500.90 and 79,493,496.60

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Solution

The fourth proportional to 156,021,000.60, 234,031,500.90 and 79,493,496.60 is: 119,240,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,021,000.60 : 234,031,500.90 = 79,493,496.60 : x
  2. Step 2: Convert to fraction form
    156,021,000.60/234,031,500.90 = 79,493,496.60/x
  3. Step 3: Cross multiply
    156,021,000.60x = 234,031,500.90 × 79,493,496.60
  4. Step 4: Simplify right side
    156,021,000.60x = 18,603,982,321,087,048
  5. Step 5: Solve for x
    x = 18,603,982,321,087,048/156,021,000.60
  6. Step 6: Final answer
    x = 119,240,244.90

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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.