Home / 109,632,208.80-164,448,313.20-99,554,512.80

Finding the Fourth Proportional to 109,632,208.80, 164,448,313.20 and 99,554,512.80

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Solution

The fourth proportional to 109,632,208.80, 164,448,313.20 and 99,554,512.80 is: 149,331,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,632,208.80 : 164,448,313.20 = 99,554,512.80 : x
  2. Step 2: Convert to fraction form
    109,632,208.80/164,448,313.20 = 99,554,512.80/x
  3. Step 3: Cross multiply
    109,632,208.80x = 164,448,313.20 × 99,554,512.80
  4. Step 4: Simplify right side
    109,632,208.80x = 16,371,571,701,407,808
  5. Step 5: Solve for x
    x = 16,371,571,701,407,808/109,632,208.80
  6. Step 6: Final answer
    x = 149,331,769.20

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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.