Home / 354,310,181.74-531,418,612.38-105,310,123.54

Finding the Fourth Proportional to 354,310,181.74, 531,418,612.38 and 105,310,123.54

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Solution

The fourth proportional to 354,310,181.74, 531,418,612.38 and 105,310,123.54 is: 157,951,316.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,310,181.74 : 531,418,612.38 = 105,310,123.54 : x
  2. Step 2: Convert to fraction form
    354,310,181.74/531,418,612.38 = 105,310,123.54/x
  3. Step 3: Cross multiply
    354,310,181.74x = 531,418,612.38 × 105,310,123.54
  4. Step 4: Simplify right side
    354,310,181.74x = 55,963,759,721,193,176
  5. Step 5: Solve for x
    x = 55,963,759,721,193,176/354,310,181.74
  6. Step 6: Final answer
    x = 157,951,316.69

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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.