Home / 54,242,596.81-74,833,687.33-30,715,732.81

Finding the Fourth Proportional to 54,242,596.81, 74,833,687.33 and 30,715,732.81

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Solution

The fourth proportional to 54,242,596.81, 74,833,687.33 and 30,715,732.81 is: 42,375,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,242,596.81 : 74,833,687.33 = 30,715,732.81 : x
  2. Step 2: Convert to fraction form
    54,242,596.81/74,833,687.33 = 30,715,732.81/x
  3. Step 3: Cross multiply
    54,242,596.81x = 74,833,687.33 × 30,715,732.81
  4. Step 4: Simplify right side
    54,242,596.81x = 2,298,571,545,215,362
  5. Step 5: Solve for x
    x = 2,298,571,545,215,362/54,242,596.81
  6. Step 6: Final answer
    x = 42,375,765.18

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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.