Home / 223,758,269.58-308,789,611.11-128,404,317.35

Finding the Fourth Proportional to 223,758,269.58, 308,789,611.11 and 128,404,317.35

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Solution

The fourth proportional to 223,758,269.58, 308,789,611.11 and 128,404,317.35 is: 177,199,793.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,758,269.58 : 308,789,611.11 = 128,404,317.35 : x
  2. Step 2: Convert to fraction form
    223,758,269.58/308,789,611.11 = 128,404,317.35/x
  3. Step 3: Cross multiply
    223,758,269.58x = 308,789,611.11 × 128,404,317.35
  4. Step 4: Simplify right side
    223,758,269.58x = 39,649,919,219,351,528
  5. Step 5: Solve for x
    x = 39,649,919,219,351,528/223,758,269.58
  6. Step 6: Final answer
    x = 177,199,793.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.