Home / 168,012,562.40-252,018,843.60-157,808,895.20

Finding the Fourth Proportional to 168,012,562.40, 252,018,843.60 and 157,808,895.20

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Solution

The fourth proportional to 168,012,562.40, 252,018,843.60 and 157,808,895.20 is: 236,713,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,012,562.40 : 252,018,843.60 = 157,808,895.20 : x
  2. Step 2: Convert to fraction form
    168,012,562.40/252,018,843.60 = 157,808,895.20/x
  3. Step 3: Cross multiply
    168,012,562.40x = 252,018,843.60 × 157,808,895.20
  4. Step 4: Simplify right side
    168,012,562.40x = 39,770,815,278,097,584
  5. Step 5: Solve for x
    x = 39,770,815,278,097,584/168,012,562.40
  6. Step 6: Final answer
    x = 236,713,342.80

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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.