Home / 54,811,428.39-75,633,668.58-30,359,018.79

Finding the Fourth Proportional to 54,811,428.39, 75,633,668.58 and 30,359,018.79

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Solution

The fourth proportional to 54,811,428.39, 75,633,668.58 and 30,359,018.79 is: 41,892,065.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,811,428.39 : 75,633,668.58 = 30,359,018.79 : x
  2. Step 2: Convert to fraction form
    54,811,428.39/75,633,668.58 = 30,359,018.79/x
  3. Step 3: Cross multiply
    54,811,428.39x = 75,633,668.58 × 30,359,018.79
  4. Step 4: Simplify right side
    54,811,428.39x = 2,296,163,965,576,852.50
  5. Step 5: Solve for x
    x = 2,296,163,965,576,852.50/54,811,428.39
  6. Step 6: Final answer
    x = 41,892,065.82

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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.