Home / 289,050,311.20-433,431,999.60-104,810,432.80

Finding the Fourth Proportional to 289,050,311.20, 433,431,999.60 and 104,810,432.80

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Solution

The fourth proportional to 289,050,311.20, 433,431,999.60 and 104,810,432.80 is: 157,163,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,050,311.20 : 433,431,999.60 = 104,810,432.80 : x
  2. Step 2: Convert to fraction form
    289,050,311.20/433,431,999.60 = 104,810,432.80/x
  3. Step 3: Cross multiply
    289,050,311.20x = 433,431,999.60 × 104,810,432.80
  4. Step 4: Simplify right side
    289,050,311.20x = 45,428,195,467,445,432
  5. Step 5: Solve for x
    x = 45,428,195,467,445,432/289,050,311.20
  6. Step 6: Final answer
    x = 157,163,627.60

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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.