Home / 74,379,826.88-102,673,031.63-55,848,479.21

Finding the Fourth Proportional to 74,379,826.88, 102,673,031.63 and 55,848,479.21

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Solution

The fourth proportional to 74,379,826.88, 102,673,031.63 and 55,848,479.21 is: 77,092,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,379,826.88 : 102,673,031.63 = 55,848,479.21 : x
  2. Step 2: Convert to fraction form
    74,379,826.88/102,673,031.63 = 55,848,479.21/x
  3. Step 3: Cross multiply
    74,379,826.88x = 102,673,031.63 × 55,848,479.21
  4. Step 4: Simplify right side
    74,379,826.88x = 5,734,132,672,008,144
  5. Step 5: Solve for x
    x = 5,734,132,672,008,144/74,379,826.88
  6. Step 6: Final answer
    x = 77,092,578.90

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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.