Home / 51,117,890.49-76,662,869.79-18,322,346.67

Finding the Fourth Proportional to 51,117,890.49, 76,662,869.79 and 18,322,346.67

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Solution

The fourth proportional to 51,117,890.49, 76,662,869.79 and 18,322,346.67 is: 27,478,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,117,890.49 : 76,662,869.79 = 18,322,346.67 : x
  2. Step 2: Convert to fraction form
    51,117,890.49/76,662,869.79 = 18,322,346.67/x
  3. Step 3: Cross multiply
    51,117,890.49x = 76,662,869.79 × 18,322,346.67
  4. Step 4: Simplify right side
    51,117,890.49x = 1,404,643,677,009,450.25
  5. Step 5: Solve for x
    x = 1,404,643,677,009,450.25/51,117,890.49
  6. Step 6: Final answer
    x = 27,478,514.15

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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.