Home / 446,665,205.80-670,018,803.90-139,967,324.20

Finding the Fourth Proportional to 446,665,205.80, 670,018,803.90 and 139,967,324.20

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Solution

The fourth proportional to 446,665,205.80, 670,018,803.90 and 139,967,324.20 is: 209,957,565.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,665,205.80 : 670,018,803.90 = 139,967,324.20 : x
  2. Step 2: Convert to fraction form
    446,665,205.80/670,018,803.90 = 139,967,324.20/x
  3. Step 3: Cross multiply
    446,665,205.80x = 670,018,803.90 × 139,967,324.20
  4. Step 4: Simplify right side
    446,665,205.80x = 93,780,739,145,567,520
  5. Step 5: Solve for x
    x = 93,780,739,145,567,520/446,665,205.80
  6. Step 6: Final answer
    x = 209,957,565.37

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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.