Home / 215,673,942.40-323,510,913.60-134,044,604.80

Finding the Fourth Proportional to 215,673,942.40, 323,510,913.60 and 134,044,604.80

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Solution

The fourth proportional to 215,673,942.40, 323,510,913.60 and 134,044,604.80 is: 201,066,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,673,942.40 : 323,510,913.60 = 134,044,604.80 : x
  2. Step 2: Convert to fraction form
    215,673,942.40/323,510,913.60 = 134,044,604.80/x
  3. Step 3: Cross multiply
    215,673,942.40x = 323,510,913.60 × 134,044,604.80
  4. Step 4: Simplify right side
    215,673,942.40x = 43,364,892,561,998,944
  5. Step 5: Solve for x
    x = 43,364,892,561,998,944/215,673,942.40
  6. Step 6: Final answer
    x = 201,066,907.20

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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.