Home / 209,953,811.70-314,930,717.55-185,294,949.30

Finding the Fourth Proportional to 209,953,811.70, 314,930,717.55 and 185,294,949.30

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Solution

The fourth proportional to 209,953,811.70, 314,930,717.55 and 185,294,949.30 is: 277,942,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,811.70 : 314,930,717.55 = 185,294,949.30 : x
  2. Step 2: Convert to fraction form
    209,953,811.70/314,930,717.55 = 185,294,949.30/x
  3. Step 3: Cross multiply
    209,953,811.70x = 314,930,717.55 × 185,294,949.30
  4. Step 4: Simplify right side
    209,953,811.70x = 58,355,071,341,439,880
  5. Step 5: Solve for x
    x = 58,355,071,341,439,880/209,953,811.70
  6. Step 6: Final answer
    x = 277,942,423.95

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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.