Home / 168,021,283.80-252,068,942.04-51,437,521.58

Finding the Fourth Proportional to 168,021,283.80, 252,068,942.04 and 51,437,521.58

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Solution

The fourth proportional to 168,021,283.80, 252,068,942.04 and 51,437,521.58 is: 77,167,614.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,021,283.80 : 252,068,942.04 = 51,437,521.58 : x
  2. Step 2: Convert to fraction form
    168,021,283.80/252,068,942.04 = 51,437,521.58/x
  3. Step 3: Cross multiply
    168,021,283.80x = 252,068,942.04 × 51,437,521.58
  4. Step 4: Simplify right side
    168,021,283.80x = 12,965,801,645,830,268
  5. Step 5: Solve for x
    x = 12,965,801,645,830,268/168,021,283.80
  6. Step 6: Final answer
    x = 77,167,614.44

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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.