Home / 243,619,999.20-365,429,998.80-186,224,371.20

Finding the Fourth Proportional to 243,619,999.20, 365,429,998.80 and 186,224,371.20

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Solution

The fourth proportional to 243,619,999.20, 365,429,998.80 and 186,224,371.20 is: 279,336,556.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,619,999.20 : 365,429,998.80 = 186,224,371.20 : x
  2. Step 2: Convert to fraction form
    243,619,999.20/365,429,998.80 = 186,224,371.20/x
  3. Step 3: Cross multiply
    243,619,999.20x = 365,429,998.80 × 186,224,371.20
  4. Step 4: Simplify right side
    243,619,999.20x = 68,051,971,744,146,752
  5. Step 5: Solve for x
    x = 68,051,971,744,146,752/243,619,999.20
  6. Step 6: Final answer
    x = 279,336,556.80

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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.