Home / 309,385,961.16-464,072,200.30-145,532,896.62

Finding the Fourth Proportional to 309,385,961.16, 464,072,200.30 and 145,532,896.62

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Solution

The fourth proportional to 309,385,961.16, 464,072,200.30 and 145,532,896.62 is: 218,296,173.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,385,961.16 : 464,072,200.30 = 145,532,896.62 : x
  2. Step 2: Convert to fraction form
    309,385,961.16/464,072,200.30 = 145,532,896.62/x
  3. Step 3: Cross multiply
    309,385,961.16x = 464,072,200.30 × 145,532,896.62
  4. Step 4: Simplify right side
    309,385,961.16x = 67,537,771,550,475,840
  5. Step 5: Solve for x
    x = 67,537,771,550,475,840/309,385,961.16
  6. Step 6: Final answer
    x = 218,296,173.81

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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.