Home / 122,127,416.20-183,489,722.70-91,894,328.20

Finding the Fourth Proportional to 122,127,416.20, 183,489,722.70 and 91,894,328.20

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Solution

The fourth proportional to 122,127,416.20, 183,489,722.70 and 91,894,328.20 is: 138,066,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,127,416.20 : 183,489,722.70 = 91,894,328.20 : x
  2. Step 2: Convert to fraction form
    122,127,416.20/183,489,722.70 = 91,894,328.20/x
  3. Step 3: Cross multiply
    122,127,416.20x = 183,489,722.70 × 91,894,328.20
  4. Step 4: Simplify right side
    122,127,416.20x = 16,861,664,799,120,790
  5. Step 5: Solve for x
    x = 16,861,664,799,120,790/122,127,416.20
  6. Step 6: Final answer
    x = 138,066,171.58

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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.