Home / 261,664,488.20-361,099,415.40-144,194,022.38

Finding the Fourth Proportional to 261,664,488.20, 361,099,415.40 and 144,194,022.38

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Solution

The fourth proportional to 261,664,488.20, 361,099,415.40 and 144,194,022.38 is: 198,989,085.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,664,488.20 : 361,099,415.40 = 144,194,022.38 : x
  2. Step 2: Convert to fraction form
    261,664,488.20/361,099,415.40 = 144,194,022.38/x
  3. Step 3: Cross multiply
    261,664,488.20x = 361,099,415.40 × 144,194,022.38
  4. Step 4: Simplify right side
    261,664,488.20x = 52,068,377,185,592,512
  5. Step 5: Solve for x
    x = 52,068,377,185,592,512/261,664,488.20
  6. Step 6: Final answer
    x = 198,989,085.39

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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.