Home / 136,594,391.70-188,511,119.40-87,057,004.62

Finding the Fourth Proportional to 136,594,391.70, 188,511,119.40 and 87,057,004.62

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Solution

The fourth proportional to 136,594,391.70, 188,511,119.40 and 87,057,004.62 is: 120,145,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,594,391.70 : 188,511,119.40 = 87,057,004.62 : x
  2. Step 2: Convert to fraction form
    136,594,391.70/188,511,119.40 = 87,057,004.62/x
  3. Step 3: Cross multiply
    136,594,391.70x = 188,511,119.40 × 87,057,004.62
  4. Step 4: Simplify right side
    136,594,391.70x = 16,411,213,392,527,174
  5. Step 5: Solve for x
    x = 16,411,213,392,527,174/136,594,391.70
  6. Step 6: Final answer
    x = 120,145,587.15

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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.