Home / 209,520,996.67-314,271,047.91-78,353,628.95

Finding the Fourth Proportional to 209,520,996.67, 314,271,047.91 and 78,353,628.95

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Solution

The fourth proportional to 209,520,996.67, 314,271,047.91 and 78,353,628.95 is: 117,526,536.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,520,996.67 : 314,271,047.91 = 78,353,628.95 : x
  2. Step 2: Convert to fraction form
    209,520,996.67/314,271,047.91 = 78,353,628.95/x
  3. Step 3: Cross multiply
    209,520,996.67x = 314,271,047.91 × 78,353,628.95
  4. Step 4: Simplify right side
    209,520,996.67x = 24,624,277,078,085,232
  5. Step 5: Solve for x
    x = 24,624,277,078,085,232/209,520,996.67
  6. Step 6: Final answer
    x = 117,526,536.57

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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.