Home / 140,068,144,006.56-210,115,131,939.36-45,741,586,148.64

Finding the Fourth Proportional to 140,068,144,006.56, 210,115,131,939.36 and 45,741,586,148.64

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Solution

The fourth proportional to 140,068,144,006.56, 210,115,131,939.36 and 45,741,586,148.64 is: 68,616,597,134.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,068,144,006.56 : 210,115,131,939.36 = 45,741,586,148.64 : x
  2. Step 2: Convert to fraction form
    140,068,144,006.56/210,115,131,939.36 = 45,741,586,148.64/x
  3. Step 3: Cross multiply
    140,068,144,006.56x = 210,115,131,939.36 × 45,741,586,148.64
  4. Step 4: Simplify right side
    140,068,144,006.56x = 9,610,999,408,737,094,991,872
  5. Step 5: Solve for x
    x = 9,610,999,408,737,094,991,872/140,068,144,006.56
  6. Step 6: Final answer
    x = 68,616,597,134.94

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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.