Home / 289,656,845.20-434,485,267.80-95,598,211.60

Finding the Fourth Proportional to 289,656,845.20, 434,485,267.80 and 95,598,211.60

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Solution

The fourth proportional to 289,656,845.20, 434,485,267.80 and 95,598,211.60 is: 143,397,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,656,845.20 : 434,485,267.80 = 95,598,211.60 : x
  2. Step 2: Convert to fraction form
    289,656,845.20/434,485,267.80 = 95,598,211.60/x
  3. Step 3: Cross multiply
    289,656,845.20x = 434,485,267.80 × 95,598,211.60
  4. Step 4: Simplify right side
    289,656,845.20x = 41,536,014,568,227,064
  5. Step 5: Solve for x
    x = 41,536,014,568,227,064/289,656,845.20
  6. Step 6: Final answer
    x = 143,397,317.40

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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.