Home / 315,561,889.49-435,467,053.98-176,333,795.33

Finding the Fourth Proportional to 315,561,889.49, 435,467,053.98 and 176,333,795.33

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Solution

The fourth proportional to 315,561,889.49, 435,467,053.98 and 176,333,795.33 is: 243,335,969.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,561,889.49 : 435,467,053.98 = 176,333,795.33 : x
  2. Step 2: Convert to fraction form
    315,561,889.49/435,467,053.98 = 176,333,795.33/x
  3. Step 3: Cross multiply
    315,561,889.49x = 435,467,053.98 × 176,333,795.33
  4. Step 4: Simplify right side
    315,561,889.49x = 76,787,558,367,290,048
  5. Step 5: Solve for x
    x = 76,787,558,367,290,048/315,561,889.49
  6. Step 6: Final answer
    x = 243,335,969.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.