Home / 308,145,213.90-425,803,460.60-224,367,401.67

Finding the Fourth Proportional to 308,145,213.90, 425,803,460.60 and 224,367,401.67

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Solution

The fourth proportional to 308,145,213.90, 425,803,460.60 and 224,367,401.67 is: 310,036,994.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,145,213.90 : 425,803,460.60 = 224,367,401.67 : x
  2. Step 2: Convert to fraction form
    308,145,213.90/425,803,460.60 = 224,367,401.67/x
  3. Step 3: Cross multiply
    308,145,213.90x = 425,803,460.60 × 224,367,401.67
  4. Step 4: Simplify right side
    308,145,213.90x = 95,536,416,077,014,464
  5. Step 5: Solve for x
    x = 95,536,416,077,014,464/308,145,213.90
  6. Step 6: Final answer
    x = 310,036,994.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.