Home / 285,096,254.58-393,432,815.25-154,716,062.58

Finding the Fourth Proportional to 285,096,254.58, 393,432,815.25 and 154,716,062.58

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Solution

The fourth proportional to 285,096,254.58, 393,432,815.25 and 154,716,062.58 is: 213,508,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,096,254.58 : 393,432,815.25 = 154,716,062.58 : x
  2. Step 2: Convert to fraction form
    285,096,254.58/393,432,815.25 = 154,716,062.58/x
  3. Step 3: Cross multiply
    285,096,254.58x = 393,432,815.25 × 154,716,062.58
  4. Step 4: Simplify right side
    285,096,254.58x = 60,870,376,065,244,584
  5. Step 5: Solve for x
    x = 60,870,376,065,244,584/285,096,254.58
  6. Step 6: Final answer
    x = 213,508,157.64

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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.