Home / 163,545,255.70-225,692,453.59-89,205,812.39

Finding the Fourth Proportional to 163,545,255.70, 225,692,453.59 and 89,205,812.39

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Solution

The fourth proportional to 163,545,255.70, 225,692,453.59 and 89,205,812.39 is: 123,104,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,545,255.70 : 225,692,453.59 = 89,205,812.39 : x
  2. Step 2: Convert to fraction form
    163,545,255.70/225,692,453.59 = 89,205,812.39/x
  3. Step 3: Cross multiply
    163,545,255.70x = 225,692,453.59 × 89,205,812.39
  4. Step 4: Simplify right side
    163,545,255.70x = 20,133,078,673,129,540
  5. Step 5: Solve for x
    x = 20,133,078,673,129,540/163,545,255.70
  6. Step 6: Final answer
    x = 123,104,021.50

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1.5x scale

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.