Home / 117,633,750.38-162,333,677.84-64,709,318.42

Finding the Fourth Proportional to 117,633,750.38, 162,333,677.84 and 64,709,318.42

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Solution

The fourth proportional to 117,633,750.38, 162,333,677.84 and 64,709,318.42 is: 89,298,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,633,750.38 : 162,333,677.84 = 64,709,318.42 : x
  2. Step 2: Convert to fraction form
    117,633,750.38/162,333,677.84 = 64,709,318.42/x
  3. Step 3: Cross multiply
    117,633,750.38x = 162,333,677.84 × 64,709,318.42
  4. Step 4: Simplify right side
    117,633,750.38x = 10,504,501,649,638,258
  5. Step 5: Solve for x
    x = 10,504,501,649,638,258/117,633,750.38
  6. Step 6: Final answer
    x = 89,298,365.61

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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.