Home / 168,339,959.20-252,509,938.80-163,301,111.20

Finding the Fourth Proportional to 168,339,959.20, 252,509,938.80 and 163,301,111.20

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Solution

The fourth proportional to 168,339,959.20, 252,509,938.80 and 163,301,111.20 is: 244,951,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,339,959.20 : 252,509,938.80 = 163,301,111.20 : x
  2. Step 2: Convert to fraction form
    168,339,959.20/252,509,938.80 = 163,301,111.20/x
  3. Step 3: Cross multiply
    168,339,959.20x = 252,509,938.80 × 163,301,111.20
  4. Step 4: Simplify right side
    168,339,959.20x = 41,235,153,595,083,992
  5. Step 5: Solve for x
    x = 41,235,153,595,083,992/168,339,959.20
  6. Step 6: Final answer
    x = 244,951,666.80

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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.