Home / 261,664,412.70-361,099,310.93-144,193,946.61

Finding the Fourth Proportional to 261,664,412.70, 361,099,310.93 and 144,193,946.61

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Solution

The fourth proportional to 261,664,412.70, 361,099,310.93 and 144,193,946.61 is: 198,988,980.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,664,412.70 : 361,099,310.93 = 144,193,946.61 : x
  2. Step 2: Convert to fraction form
    261,664,412.70/361,099,310.93 = 144,193,946.61/x
  3. Step 3: Cross multiply
    261,664,412.70x = 361,099,310.93 × 144,193,946.61
  4. Step 4: Simplify right side
    261,664,412.70x = 52,068,334,760,427,248
  5. Step 5: Solve for x
    x = 52,068,334,760,427,248/261,664,412.70
  6. Step 6: Final answer
    x = 198,988,980.67

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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.