Home / 128,662,849.56-177,556,104.38-69,925,518.04

Finding the Fourth Proportional to 128,662,849.56, 177,556,104.38 and 69,925,518.04

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Solution

The fourth proportional to 128,662,849.56, 177,556,104.38 and 69,925,518.04 is: 96,497,960.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,662,849.56 : 177,556,104.38 = 69,925,518.04 : x
  2. Step 2: Convert to fraction form
    128,662,849.56/177,556,104.38 = 69,925,518.04/x
  3. Step 3: Cross multiply
    128,662,849.56x = 177,556,104.38 × 69,925,518.04
  4. Step 4: Simplify right side
    128,662,849.56x = 12,415,702,579,935,814
  5. Step 5: Solve for x
    x = 12,415,702,579,935,814/128,662,849.56
  6. Step 6: Final answer
    x = 96,497,960.54

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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.