Home / 209,952,083.64-289,733,447.70-117,127,055.64

Finding the Fourth Proportional to 209,952,083.64, 289,733,447.70 and 117,127,055.64

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Solution

The fourth proportional to 209,952,083.64, 289,733,447.70 and 117,127,055.64 is: 161,635,098.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,083.64 : 289,733,447.70 = 117,127,055.64 : x
  2. Step 2: Convert to fraction form
    209,952,083.64/289,733,447.70 = 117,127,055.64/x
  3. Step 3: Cross multiply
    209,952,083.64x = 289,733,447.70 × 117,127,055.64
  4. Step 4: Simplify right side
    209,952,083.64x = 33,935,625,649,526,928
  5. Step 5: Solve for x
    x = 33,935,625,649,526,928/209,952,083.64
  6. Step 6: Final answer
    x = 161,635,098.17

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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.