Home / 136,270,940.59-188,054,662.04-77,533,604.49

Finding the Fourth Proportional to 136,270,940.59, 188,054,662.04 and 77,533,604.49

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Solution

The fourth proportional to 136,270,940.59, 188,054,662.04 and 77,533,604.49 is: 106,996,808.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,270,940.59 : 188,054,662.04 = 77,533,604.49 : x
  2. Step 2: Convert to fraction form
    136,270,940.59/188,054,662.04 = 77,533,604.49/x
  3. Step 3: Cross multiply
    136,270,940.59x = 188,054,662.04 × 77,533,604.49
  4. Step 4: Simplify right side
    136,270,940.59x = 14,580,555,790,154,780
  5. Step 5: Solve for x
    x = 14,580,555,790,154,780/136,270,940.59
  6. Step 6: Final answer
    x = 106,996,808.91

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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.