Home / 78,788,339,900.10-118,189,775,058.48-25,729,651,096.56

Finding the Fourth Proportional to 78,788,339,900.10, 118,189,775,058.48 and 25,729,651,096.56

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Solution

The fourth proportional to 78,788,339,900.10, 118,189,775,058.48 and 25,729,651,096.56 is: 38,596,849,220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,788,339,900.10 : 118,189,775,058.48 = 25,729,651,096.56 : x
  2. Step 2: Convert to fraction form
    78,788,339,900.10/118,189,775,058.48 = 25,729,651,096.56/x
  3. Step 3: Cross multiply
    78,788,339,900.10x = 118,189,775,058.48 × 25,729,651,096.56
  4. Step 4: Simplify right side
    78,788,339,900.10x = 3,040,981,675,435,599,855,616
  5. Step 5: Solve for x
    x = 3,040,981,675,435,599,855,616/78,788,339,900.10
  6. Step 6: Final answer
    x = 38,596,849,220.22

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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.