Home / 261,664,417.70-361,099,317.84-144,193,951.61

Finding the Fourth Proportional to 261,664,417.70, 361,099,317.84 and 144,193,951.61

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Solution

The fourth proportional to 261,664,417.70, 361,099,317.84 and 144,193,951.61 is: 198,988,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,664,417.70 : 361,099,317.84 = 144,193,951.61 : x
  2. Step 2: Convert to fraction form
    261,664,417.70/361,099,317.84 = 144,193,951.61/x
  3. Step 3: Cross multiply
    261,664,417.70x = 361,099,317.84 × 144,193,951.61
  4. Step 4: Simplify right side
    261,664,417.70x = 52,068,337,563,024,968
  5. Step 5: Solve for x
    x = 52,068,337,563,024,968/261,664,417.70
  6. Step 6: Final answer
    x = 198,988,987.58

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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.