Home / 142,733,765.98-214,109,513.61-40,505,804.38

Finding the Fourth Proportional to 142,733,765.98, 214,109,513.61 and 40,505,804.38

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Solution

The fourth proportional to 142,733,765.98, 214,109,513.61 and 40,505,804.38 is: 60,761,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,733,765.98 : 214,109,513.61 = 40,505,804.38 : x
  2. Step 2: Convert to fraction form
    142,733,765.98/214,109,513.61 = 40,505,804.38/x
  3. Step 3: Cross multiply
    142,733,765.98x = 214,109,513.61 × 40,505,804.38
  4. Step 4: Simplify right side
    142,733,765.98x = 8,672,678,074,183,609
  5. Step 5: Solve for x
    x = 8,672,678,074,183,609/142,733,765.98
  6. Step 6: Final answer
    x = 60,761,222.23

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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.