Home / 117,234,016.65-161,802,309.06-65,039,867.49

Finding the Fourth Proportional to 117,234,016.65, 161,802,309.06 and 65,039,867.49

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Solution

The fourth proportional to 117,234,016.65, 161,802,309.06 and 65,039,867.49 is: 89,765,761.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,234,016.65 : 161,802,309.06 = 65,039,867.49 : x
  2. Step 2: Convert to fraction form
    117,234,016.65/161,802,309.06 = 65,039,867.49/x
  3. Step 3: Cross multiply
    117,234,016.65x = 161,802,309.06 × 65,039,867.49
  4. Step 4: Simplify right side
    117,234,016.65x = 10,523,600,740,838,426
  5. Step 5: Solve for x
    x = 10,523,600,740,838,426/117,234,016.65
  6. Step 6: Final answer
    x = 89,765,761.18

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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.