Home / 45,648,339.70-62,957,977.35-40,129,915.40

Finding the Fourth Proportional to 45,648,339.70, 62,957,977.35 and 40,129,915.40

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Solution

The fourth proportional to 45,648,339.70, 62,957,977.35 and 40,129,915.40 is: 55,346,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,648,339.70 : 62,957,977.35 = 40,129,915.40 : x
  2. Step 2: Convert to fraction form
    45,648,339.70/62,957,977.35 = 40,129,915.40/x
  3. Step 3: Cross multiply
    45,648,339.70x = 62,957,977.35 × 40,129,915.40
  4. Step 4: Simplify right side
    45,648,339.70x = 2,526,498,305,274,329.50
  5. Step 5: Solve for x
    x = 2,526,498,305,274,329.50/45,648,339.70
  6. Step 6: Final answer
    x = 55,346,992.29

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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.