Home / 151,892,222.58-209,612,273.40-82,277,602.79

Finding the Fourth Proportional to 151,892,222.58, 209,612,273.40 and 82,277,602.79

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Solution

The fourth proportional to 151,892,222.58, 209,612,273.40 and 82,277,602.79 is: 113,543,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,892,222.58 : 209,612,273.40 = 82,277,602.79 : x
  2. Step 2: Convert to fraction form
    151,892,222.58/209,612,273.40 = 82,277,602.79/x
  3. Step 3: Cross multiply
    151,892,222.58x = 209,612,273.40 × 82,277,602.79
  4. Step 4: Simplify right side
    151,892,222.58x = 17,246,395,369,666,022
  5. Step 5: Solve for x
    x = 17,246,395,369,666,022/151,892,222.58
  6. Step 6: Final answer
    x = 113,543,636.91

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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.