Home / 289,056,005.20-433,440,540.60-104,816,126.80

Finding the Fourth Proportional to 289,056,005.20, 433,440,540.60 and 104,816,126.80

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Solution

The fourth proportional to 289,056,005.20, 433,440,540.60 and 104,816,126.80 is: 157,172,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,056,005.20 : 433,440,540.60 = 104,816,126.80 : x
  2. Step 2: Convert to fraction form
    289,056,005.20/433,440,540.60 = 104,816,126.80/x
  3. Step 3: Cross multiply
    289,056,005.20x = 433,440,540.60 × 104,816,126.80
  4. Step 4: Simplify right side
    289,056,005.20x = 45,431,558,663,790,152
  5. Step 5: Solve for x
    x = 45,431,558,663,790,152/289,056,005.20
  6. Step 6: Final answer
    x = 157,172,166.80

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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.