Home / 209,953,850.70-314,930,776.05-152,133,069.90

Finding the Fourth Proportional to 209,953,850.70, 314,930,776.05 and 152,133,069.90

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Solution

The fourth proportional to 209,953,850.70, 314,930,776.05 and 152,133,069.90 is: 228,199,604.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,850.70 : 314,930,776.05 = 152,133,069.90 : x
  2. Step 2: Convert to fraction form
    209,953,850.70/314,930,776.05 = 152,133,069.90/x
  3. Step 3: Cross multiply
    209,953,850.70x = 314,930,776.05 × 152,133,069.90
  4. Step 4: Simplify right side
    209,953,850.70x = 47,911,385,766,475,896
  5. Step 5: Solve for x
    x = 47,911,385,766,475,896/209,953,850.70
  6. Step 6: Final answer
    x = 228,199,604.85

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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.