Home / 141,024,220.80-211,536,331.20-120,868,828.80

Finding the Fourth Proportional to 141,024,220.80, 211,536,331.20 and 120,868,828.80

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Solution

The fourth proportional to 141,024,220.80, 211,536,331.20 and 120,868,828.80 is: 181,303,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,024,220.80 : 211,536,331.20 = 120,868,828.80 : x
  2. Step 2: Convert to fraction form
    141,024,220.80/211,536,331.20 = 120,868,828.80/x
  3. Step 3: Cross multiply
    141,024,220.80x = 211,536,331.20 × 120,868,828.80
  4. Step 4: Simplify right side
    141,024,220.80x = 25,568,148,600,792,896
  5. Step 5: Solve for x
    x = 25,568,148,600,792,896/141,024,220.80
  6. Step 6: Final answer
    x = 181,303,243.20

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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.