Home / 199,340,564.40-299,010,846.60-187,223,709.60

Finding the Fourth Proportional to 199,340,564.40, 299,010,846.60 and 187,223,709.60

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Solution

The fourth proportional to 199,340,564.40, 299,010,846.60 and 187,223,709.60 is: 280,835,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,340,564.40 : 299,010,846.60 = 187,223,709.60 : x
  2. Step 2: Convert to fraction form
    199,340,564.40/299,010,846.60 = 187,223,709.60/x
  3. Step 3: Cross multiply
    199,340,564.40x = 299,010,846.60 × 187,223,709.60
  4. Step 4: Simplify right side
    199,340,564.40x = 55,981,919,911,088,552
  5. Step 5: Solve for x
    x = 55,981,919,911,088,552/199,340,564.40
  6. Step 6: Final answer
    x = 280,835,564.40

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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.