Home / 199,280,420.10-298,920,630.15-144,860,861.70

Finding the Fourth Proportional to 199,280,420.10, 298,920,630.15 and 144,860,861.70

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Solution

The fourth proportional to 199,280,420.10, 298,920,630.15 and 144,860,861.70 is: 217,291,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,280,420.10 : 298,920,630.15 = 144,860,861.70 : x
  2. Step 2: Convert to fraction form
    199,280,420.10/298,920,630.15 = 144,860,861.70/x
  3. Step 3: Cross multiply
    199,280,420.10x = 298,920,630.15 × 144,860,861.70
  4. Step 4: Simplify right side
    199,280,420.10x = 43,301,900,063,435,992
  5. Step 5: Solve for x
    x = 43,301,900,063,435,992/199,280,420.10
  6. Step 6: Final answer
    x = 217,291,292.55

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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.