Home / 140,925,674.50-194,481,890.24-81,385,893.59

Finding the Fourth Proportional to 140,925,674.50, 194,481,890.24 and 81,385,893.59

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Solution

The fourth proportional to 140,925,674.50, 194,481,890.24 and 81,385,893.59 is: 112,315,108.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,925,674.50 : 194,481,890.24 = 81,385,893.59 : x
  2. Step 2: Convert to fraction form
    140,925,674.50/194,481,890.24 = 81,385,893.59/x
  3. Step 3: Cross multiply
    140,925,674.50x = 194,481,890.24 × 81,385,893.59
  4. Step 4: Simplify right side
    140,925,674.50x = 15,828,082,424,254,702
  5. Step 5: Solve for x
    x = 15,828,082,424,254,702/140,925,674.50
  6. Step 6: Final answer
    x = 112,315,108.52

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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.