Home / 190,885,554.72-263,451,983.76-112,577,715.36

Finding the Fourth Proportional to 190,885,554.72, 263,451,983.76 and 112,577,715.36

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Solution

The fourth proportional to 190,885,554.72, 263,451,983.76 and 112,577,715.36 is: 155,374,891.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,885,554.72 : 263,451,983.76 = 112,577,715.36 : x
  2. Step 2: Convert to fraction form
    190,885,554.72/263,451,983.76 = 112,577,715.36/x
  3. Step 3: Cross multiply
    190,885,554.72x = 263,451,983.76 × 112,577,715.36
  4. Step 4: Simplify right side
    190,885,554.72x = 29,658,822,438,760,620
  5. Step 5: Solve for x
    x = 29,658,822,438,760,620/190,885,554.72
  6. Step 6: Final answer
    x = 155,374,891.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.