Home / 209,198,432.34-288,685,167.47-113,829,334.85

Finding the Fourth Proportional to 209,198,432.34, 288,685,167.47 and 113,829,334.85

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Solution

The fourth proportional to 209,198,432.34, 288,685,167.47 and 113,829,334.85 is: 157,079,765.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,198,432.34 : 288,685,167.47 = 113,829,334.85 : x
  2. Step 2: Convert to fraction form
    209,198,432.34/288,685,167.47 = 113,829,334.85/x
  3. Step 3: Cross multiply
    209,198,432.34x = 288,685,167.47 × 113,829,334.85
  4. Step 4: Simplify right side
    209,198,432.34x = 32,860,840,592,727,536
  5. Step 5: Solve for x
    x = 32,860,840,592,727,536/209,198,432.34
  6. Step 6: Final answer
    x = 157,079,765.02

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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.