Home / 168,504,005.80-252,756,008.70-143,057,823.40

Finding the Fourth Proportional to 168,504,005.80, 252,756,008.70 and 143,057,823.40

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Solution

The fourth proportional to 168,504,005.80, 252,756,008.70 and 143,057,823.40 is: 214,586,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,504,005.80 : 252,756,008.70 = 143,057,823.40 : x
  2. Step 2: Convert to fraction form
    168,504,005.80/252,756,008.70 = 143,057,823.40/x
  3. Step 3: Cross multiply
    168,504,005.80x = 252,756,008.70 × 143,057,823.40
  4. Step 4: Simplify right side
    168,504,005.80x = 36,158,724,455,893,464
  5. Step 5: Solve for x
    x = 36,158,724,455,893,464/168,504,005.80
  6. Step 6: Final answer
    x = 214,586,735.10

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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.