Home / 201,109,000.10-301,663,500.15-79,940,452.10

Finding the Fourth Proportional to 201,109,000.10, 301,663,500.15 and 79,940,452.10

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Solution

The fourth proportional to 201,109,000.10, 301,663,500.15 and 79,940,452.10 is: 119,910,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,109,000.10 : 301,663,500.15 = 79,940,452.10 : x
  2. Step 2: Convert to fraction form
    201,109,000.10/301,663,500.15 = 79,940,452.10/x
  3. Step 3: Cross multiply
    201,109,000.10x = 301,663,500.15 × 79,940,452.10
  4. Step 4: Simplify right side
    201,109,000.10x = 24,115,116,584,059,416
  5. Step 5: Solve for x
    x = 24,115,116,584,059,416/201,109,000.10
  6. Step 6: Final answer
    x = 119,910,678.15

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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.