Home / 236,757,215.80-326,724,842.46-138,972,071.80

Finding the Fourth Proportional to 236,757,215.80, 326,724,842.46 and 138,972,071.80

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Solution

The fourth proportional to 236,757,215.80, 326,724,842.46 and 138,972,071.80 is: 191,781,391.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,757,215.80 : 326,724,842.46 = 138,972,071.80 : x
  2. Step 2: Convert to fraction form
    236,757,215.80/326,724,842.46 = 138,972,071.80/x
  3. Step 3: Cross multiply
    236,757,215.80x = 326,724,842.46 × 138,972,071.80
  4. Step 4: Simplify right side
    236,757,215.80x = 45,405,628,265,194,808
  5. Step 5: Solve for x
    x = 45,405,628,265,194,808/236,757,215.80
  6. Step 6: Final answer
    x = 191,781,391.38

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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.