Home / 111,861,618.40-167,508,992.40-89,186,802.40

Finding the Fourth Proportional to 111,861,618.40, 167,508,992.40 and 89,186,802.40

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Solution

The fourth proportional to 111,861,618.40, 167,508,992.40 and 89,186,802.40 is: 133,554,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,861,618.40 : 167,508,992.40 = 89,186,802.40 : x
  2. Step 2: Convert to fraction form
    111,861,618.40/167,508,992.40 = 89,186,802.40/x
  3. Step 3: Cross multiply
    111,861,618.40x = 167,508,992.40 × 89,186,802.40
  4. Step 4: Simplify right side
    111,861,618.40x = 14,939,591,405,401,904
  5. Step 5: Solve for x
    x = 14,939,591,405,401,904/111,861,618.40
  6. Step 6: Final answer
    x = 133,554,221.90

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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.