Home / 156,629,586.60-234,720,431.10-115,367,020.20

Finding the Fourth Proportional to 156,629,586.60, 234,720,431.10 and 115,367,020.20

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Solution

The fourth proportional to 156,629,586.60, 234,720,431.10 and 115,367,020.20 is: 172,885,578.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,629,586.60 : 234,720,431.10 = 115,367,020.20 : x
  2. Step 2: Convert to fraction form
    156,629,586.60/234,720,431.10 = 115,367,020.20/x
  3. Step 3: Cross multiply
    156,629,586.60x = 234,720,431.10 × 115,367,020.20
  4. Step 4: Simplify right side
    156,629,586.60x = 27,078,996,716,066,408
  5. Step 5: Solve for x
    x = 27,078,996,716,066,408/156,629,586.60
  6. Step 6: Final answer
    x = 172,885,578.67

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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.