Home / 221,404,256.34-332,107,567.11-145,209,788.70

Finding the Fourth Proportional to 221,404,256.34, 332,107,567.11 and 145,209,788.70

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Solution

The fourth proportional to 221,404,256.34, 332,107,567.11 and 145,209,788.70 is: 217,815,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,404,256.34 : 332,107,567.11 = 145,209,788.70 : x
  2. Step 2: Convert to fraction form
    221,404,256.34/332,107,567.11 = 145,209,788.70/x
  3. Step 3: Cross multiply
    221,404,256.34x = 332,107,567.11 × 145,209,788.70
  4. Step 4: Simplify right side
    221,404,256.34x = 48,225,269,645,714,168
  5. Step 5: Solve for x
    x = 48,225,269,645,714,168/221,404,256.34
  6. Step 6: Final answer
    x = 217,815,458.67

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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.