Home / 261,664,474.72-361,099,396.75-144,194,008.85

Finding the Fourth Proportional to 261,664,474.72, 361,099,396.75 and 144,194,008.85

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Solution

The fourth proportional to 261,664,474.72, 361,099,396.75 and 144,194,008.85 is: 198,989,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,664,474.72 : 361,099,396.75 = 144,194,008.85 : x
  2. Step 2: Convert to fraction form
    261,664,474.72/361,099,396.75 = 144,194,008.85/x
  3. Step 3: Cross multiply
    261,664,474.72x = 361,099,396.75 × 144,194,008.85
  4. Step 4: Simplify right side
    261,664,474.72x = 52,068,369,610,699,160
  5. Step 5: Solve for x
    x = 52,068,369,610,699,160/261,664,474.72
  6. Step 6: Final answer
    x = 198,989,066.69

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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.