Home / 131,020,401.33-196,523,516.12-40,144,252.77

Finding the Fourth Proportional to 131,020,401.33, 196,523,516.12 and 40,144,252.77

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Solution

The fourth proportional to 131,020,401.33, 196,523,516.12 and 40,144,252.77 is: 60,214,208.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,020,401.33 : 196,523,516.12 = 40,144,252.77 : x
  2. Step 2: Convert to fraction form
    131,020,401.33/196,523,516.12 = 40,144,252.77/x
  3. Step 3: Cross multiply
    131,020,401.33x = 196,523,516.12 × 40,144,252.77
  4. Step 4: Simplify right side
    131,020,401.33x = 7,889,289,706,169,729
  5. Step 5: Solve for x
    x = 7,889,289,706,169,729/131,020,401.33
  6. Step 6: Final answer
    x = 60,214,208.06

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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.