Home / 103,222,499.36-154,833,562.56-30,490,357.64

Finding the Fourth Proportional to 103,222,499.36, 154,833,562.56 and 30,490,357.64

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Solution

The fourth proportional to 103,222,499.36, 154,833,562.56 and 30,490,357.64 is: 45,735,481.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,222,499.36 : 154,833,562.56 = 30,490,357.64 : x
  2. Step 2: Convert to fraction form
    103,222,499.36/154,833,562.56 = 30,490,357.64/x
  3. Step 3: Cross multiply
    103,222,499.36x = 154,833,562.56 × 30,490,357.64
  4. Step 4: Simplify right side
    103,222,499.36x = 4,720,930,697,129,714
  5. Step 5: Solve for x
    x = 4,720,930,697,129,714/103,222,499.36
  6. Step 6: Final answer
    x = 45,735,481.38

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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.