Home / 168,496,522.40-252,744,783.60-137,885,520.80

Finding the Fourth Proportional to 168,496,522.40, 252,744,783.60 and 137,885,520.80

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Solution

The fourth proportional to 168,496,522.40, 252,744,783.60 and 137,885,520.80 is: 206,828,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,496,522.40 : 252,744,783.60 = 137,885,520.80 : x
  2. Step 2: Convert to fraction form
    168,496,522.40/252,744,783.60 = 137,885,520.80/x
  3. Step 3: Cross multiply
    168,496,522.40x = 252,744,783.60 × 137,885,520.80
  4. Step 4: Simplify right side
    168,496,522.40x = 34,849,846,116,169,300
  5. Step 5: Solve for x
    x = 34,849,846,116,169,300/168,496,522.40
  6. Step 6: Final answer
    x = 206,828,281.20

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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.