Home / 289,060,000.20-433,446,533.10-104,820,121.80

Finding the Fourth Proportional to 289,060,000.20, 433,446,533.10 and 104,820,121.80

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Solution

The fourth proportional to 289,060,000.20, 433,446,533.10 and 104,820,121.80 is: 157,178,158.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,060,000.20 : 433,446,533.10 = 104,820,121.80 : x
  2. Step 2: Convert to fraction form
    289,060,000.20/433,446,533.10 = 104,820,121.80/x
  3. Step 3: Cross multiply
    289,060,000.20x = 433,446,533.10 × 104,820,121.80
  4. Step 4: Simplify right side
    289,060,000.20x = 45,433,918,393,329,736
  5. Step 5: Solve for x
    x = 45,433,918,393,329,736/289,060,000.20
  6. Step 6: Final answer
    x = 157,178,158.04

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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.