Home / 257,133,403.50-385,802,298.09-82,283,375.58

Finding the Fourth Proportional to 257,133,403.50, 385,802,298.09 and 82,283,375.58

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Solution

The fourth proportional to 257,133,403.50, 385,802,298.09 and 82,283,375.58 is: 123,457,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,133,403.50 : 385,802,298.09 = 82,283,375.58 : x
  2. Step 2: Convert to fraction form
    257,133,403.50/385,802,298.09 = 82,283,375.58/x
  3. Step 3: Cross multiply
    257,133,403.50x = 385,802,298.09 × 82,283,375.58
  4. Step 4: Simplify right side
    257,133,403.50x = 31,745,115,393,366,584
  5. Step 5: Solve for x
    x = 31,745,115,393,366,584/257,133,403.50
  6. Step 6: Final answer
    x = 123,457,765.35

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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.