Home / 131,171,766.40-196,841,630.40-76,584,246.40

Finding the Fourth Proportional to 131,171,766.40, 196,841,630.40 and 76,584,246.40

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Solution

The fourth proportional to 131,171,766.40, 196,841,630.40 and 76,584,246.40 is: 114,925,401.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,171,766.40 : 196,841,630.40 = 76,584,246.40 : x
  2. Step 2: Convert to fraction form
    131,171,766.40/196,841,630.40 = 76,584,246.40/x
  3. Step 3: Cross multiply
    131,171,766.40x = 196,841,630.40 × 76,584,246.40
  4. Step 4: Simplify right side
    131,171,766.40x = 15,074,967,924,331,332
  5. Step 5: Solve for x
    x = 15,074,967,924,331,332/131,171,766.40
  6. Step 6: Final answer
    x = 114,925,401.54

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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.