Home / 221,429,331.60-332,143,997.40-160,207,328.40

Finding the Fourth Proportional to 221,429,331.60, 332,143,997.40 and 160,207,328.40

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Solution

The fourth proportional to 221,429,331.60, 332,143,997.40 and 160,207,328.40 is: 240,310,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,429,331.60 : 332,143,997.40 = 160,207,328.40 : x
  2. Step 2: Convert to fraction form
    221,429,331.60/332,143,997.40 = 160,207,328.40/x
  3. Step 3: Cross multiply
    221,429,331.60x = 332,143,997.40 × 160,207,328.40
  4. Step 4: Simplify right side
    221,429,331.60x = 53,211,902,467,550,544
  5. Step 5: Solve for x
    x = 53,211,902,467,550,544/221,429,331.60
  6. Step 6: Final answer
    x = 240,310,992.60

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1.5x scale

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.