Home / 103,907,982.84-143,394,291.76-57,502,554.72

Finding the Fourth Proportional to 103,907,982.84, 143,394,291.76 and 57,502,554.72

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Solution

The fourth proportional to 103,907,982.84, 143,394,291.76 and 57,502,554.72 is: 79,354,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,907,982.84 : 143,394,291.76 = 57,502,554.72 : x
  2. Step 2: Convert to fraction form
    103,907,982.84/143,394,291.76 = 57,502,554.72/x
  3. Step 3: Cross multiply
    103,907,982.84x = 143,394,291.76 × 57,502,554.72
  4. Step 4: Simplify right side
    103,907,982.84x = 8,245,538,108,465,044
  5. Step 5: Solve for x
    x = 8,245,538,108,465,044/103,907,982.84
  6. Step 6: Final answer
    x = 79,354,231.34

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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.