Home / 287,193,486.60-430,867,212.30-114,791,401.80

Finding the Fourth Proportional to 287,193,486.60, 430,867,212.30 and 114,791,401.80

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Solution

The fourth proportional to 287,193,486.60, 430,867,212.30 and 114,791,401.80 is: 172,217,872.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,193,486.60 : 430,867,212.30 = 114,791,401.80 : x
  2. Step 2: Convert to fraction form
    287,193,486.60/430,867,212.30 = 114,791,401.80/x
  3. Step 3: Cross multiply
    287,193,486.60x = 430,867,212.30 × 114,791,401.80
  4. Step 4: Simplify right side
    287,193,486.60x = 49,459,851,289,575,200
  5. Step 5: Solve for x
    x = 49,459,851,289,575,200/287,193,486.60
  6. Step 6: Final answer
    x = 172,217,872.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.