Home / 151,892,172.81-209,612,203.99-82,277,552.86

Finding the Fourth Proportional to 151,892,172.81, 209,612,203.99 and 82,277,552.86

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Solution

The fourth proportional to 151,892,172.81, 209,612,203.99 and 82,277,552.86 is: 113,543,567.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,892,172.81 : 209,612,203.99 = 82,277,552.86 : x
  2. Step 2: Convert to fraction form
    151,892,172.81/209,612,203.99 = 82,277,552.86/x
  3. Step 3: Cross multiply
    151,892,172.81x = 209,612,203.99 × 82,277,552.86
  4. Step 4: Simplify right side
    151,892,172.81x = 17,246,379,193,158,604
  5. Step 5: Solve for x
    x = 17,246,379,193,158,604/151,892,172.81
  6. Step 6: Final answer
    x = 113,543,567.61

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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.