Home / 83,820,355.35-125,874,000.23-45,556,603.35

Finding the Fourth Proportional to 83,820,355.35, 125,874,000.23 and 45,556,603.35

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Solution

The fourth proportional to 83,820,355.35, 125,874,000.23 and 45,556,603.35 is: 68,412,879.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,820,355.35 : 125,874,000.23 = 45,556,603.35 : x
  2. Step 2: Convert to fraction form
    83,820,355.35/125,874,000.23 = 45,556,603.35/x
  3. Step 3: Cross multiply
    83,820,355.35x = 125,874,000.23 × 45,556,603.35
  4. Step 4: Simplify right side
    83,820,355.35x = 5,734,391,900,328,136
  5. Step 5: Solve for x
    x = 5,734,391,900,328,136/83,820,355.35
  6. Step 6: Final answer
    x = 68,412,879.86

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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.