Home / 168,399,257.40-252,598,886.10-53,383,615.20

Finding the Fourth Proportional to 168,399,257.40, 252,598,886.10 and 53,383,615.20

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Solution

The fourth proportional to 168,399,257.40, 252,598,886.10 and 53,383,615.20 is: 80,075,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,399,257.40 : 252,598,886.10 = 53,383,615.20 : x
  2. Step 2: Convert to fraction form
    168,399,257.40/252,598,886.10 = 53,383,615.20/x
  3. Step 3: Cross multiply
    168,399,257.40x = 252,598,886.10 × 53,383,615.20
  4. Step 4: Simplify right side
    168,399,257.40x = 13,484,641,735,511,030
  5. Step 5: Solve for x
    x = 13,484,641,735,511,030/168,399,257.40
  6. Step 6: Final answer
    x = 80,075,422.80

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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.