Home / 136,270,668.28-188,054,287.32-77,533,331.98

Finding the Fourth Proportional to 136,270,668.28, 188,054,287.32 and 77,533,331.98

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Solution

The fourth proportional to 136,270,668.28, 188,054,287.32 and 77,533,331.98 is: 106,996,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,270,668.28 : 188,054,287.32 = 77,533,331.98 : x
  2. Step 2: Convert to fraction form
    136,270,668.28/188,054,287.32 = 77,533,331.98/x
  3. Step 3: Cross multiply
    136,270,668.28x = 188,054,287.32 × 77,533,331.98
  4. Step 4: Simplify right side
    136,270,668.28x = 14,580,475,489,043,864
  5. Step 5: Solve for x
    x = 14,580,475,489,043,864/136,270,668.28
  6. Step 6: Final answer
    x = 106,996,433.44

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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.