Home / 209,953,962.20-314,930,943.30-185,295,099.80

Finding the Fourth Proportional to 209,953,962.20, 314,930,943.30 and 185,295,099.80

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Solution

The fourth proportional to 209,953,962.20, 314,930,943.30 and 185,295,099.80 is: 277,942,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,962.20 : 314,930,943.30 = 185,295,099.80 : x
  2. Step 2: Convert to fraction form
    209,953,962.20/314,930,943.30 = 185,295,099.80/x
  3. Step 3: Cross multiply
    209,953,962.20x = 314,930,943.30 × 185,295,099.80
  4. Step 4: Simplify right side
    209,953,962.20x = 58,355,160,568,881,648
  5. Step 5: Solve for x
    x = 58,355,160,568,881,648/209,953,962.20
  6. Step 6: Final answer
    x = 277,942,649.70

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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.