Home / 168,163,200.90-252,244,801.35-77,463,936.90

Finding the Fourth Proportional to 168,163,200.90, 252,244,801.35 and 77,463,936.90

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Solution

The fourth proportional to 168,163,200.90, 252,244,801.35 and 77,463,936.90 is: 116,195,905.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,163,200.90 : 252,244,801.35 = 77,463,936.90 : x
  2. Step 2: Convert to fraction form
    168,163,200.90/252,244,801.35 = 77,463,936.90/x
  3. Step 3: Cross multiply
    168,163,200.90x = 252,244,801.35 × 77,463,936.90
  4. Step 4: Simplify right side
    168,163,200.90x = 19,539,875,375,129,436
  5. Step 5: Solve for x
    x = 19,539,875,375,129,436/168,163,200.90
  6. Step 6: Final answer
    x = 116,195,905.35

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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.