Home / 111,414,926.78-166,731,403.14-89,501,459.78

Finding the Fourth Proportional to 111,414,926.78, 166,731,403.14 and 89,501,459.78

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Solution

The fourth proportional to 111,414,926.78, 166,731,403.14 and 89,501,459.78 is: 133,938,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,414,926.78 : 166,731,403.14 = 89,501,459.78 : x
  2. Step 2: Convert to fraction form
    111,414,926.78/166,731,403.14 = 89,501,459.78/x
  3. Step 3: Cross multiply
    111,414,926.78x = 166,731,403.14 × 89,501,459.78
  4. Step 4: Simplify right side
    111,414,926.78x = 14,922,703,972,197,674
  5. Step 5: Solve for x
    x = 14,922,703,972,197,674/111,414,926.78
  6. Step 6: Final answer
    x = 133,938,103.30

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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.