Home / 125,820,088.96-188,642,391.68-55,752,208.80

Finding the Fourth Proportional to 125,820,088.96, 188,642,391.68 and 55,752,208.80

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Solution

The fourth proportional to 125,820,088.96, 188,642,391.68 and 55,752,208.80 is: 83,589,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,820,088.96 : 188,642,391.68 = 55,752,208.80 : x
  2. Step 2: Convert to fraction form
    125,820,088.96/188,642,391.68 = 55,752,208.80/x
  3. Step 3: Cross multiply
    125,820,088.96x = 188,642,391.68 × 55,752,208.80
  4. Step 4: Simplify right side
    125,820,088.96x = 10,517,230,009,474,742
  5. Step 5: Solve for x
    x = 10,517,230,009,474,742/125,820,088.96
  6. Step 6: Final answer
    x = 83,589,433.90

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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.