Home / 191,200,669,821.63-263,880,061,586.51-108,821,458,669.86

Finding the Fourth Proportional to 191,200,669,821.63, 263,880,061,586.51 and 108,821,458,669.86

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Solution

The fourth proportional to 191,200,669,821.63, 263,880,061,586.51 and 108,821,458,669.86 is: 150,186,781,471.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,200,669,821.63 : 263,880,061,586.51 = 108,821,458,669.86 : x
  2. Step 2: Convert to fraction form
    191,200,669,821.63/263,880,061,586.51 = 108,821,458,669.86/x
  3. Step 3: Cross multiply
    191,200,669,821.63x = 263,880,061,586.51 × 108,821,458,669.86
  4. Step 4: Simplify right side
    191,200,669,821.63x = 28,715,813,215,736,510,283,776
  5. Step 5: Solve for x
    x = 28,715,813,215,736,510,283,776/191,200,669,821.63
  6. Step 6: Final answer
    x = 150,186,781,471.66

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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.