Home / 156,021,000.10-234,031,500.15-79,493,496.10

Finding the Fourth Proportional to 156,021,000.10, 234,031,500.15 and 79,493,496.10

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Solution

The fourth proportional to 156,021,000.10, 234,031,500.15 and 79,493,496.10 is: 119,240,244.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,021,000.10 : 234,031,500.15 = 79,493,496.10 : x
  2. Step 2: Convert to fraction form
    156,021,000.10/234,031,500.15 = 79,493,496.10/x
  3. Step 3: Cross multiply
    156,021,000.10x = 234,031,500.15 × 79,493,496.10
  4. Step 4: Simplify right side
    156,021,000.10x = 18,603,982,144,451,172
  5. Step 5: Solve for x
    x = 18,603,982,144,451,172/156,021,000.10
  6. Step 6: Final answer
    x = 119,240,244.15

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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.