Home / 130,085,404.92-179,524,435.86-71,353,535.04

Finding the Fourth Proportional to 130,085,404.92, 179,524,435.86 and 71,353,535.04

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Solution

The fourth proportional to 130,085,404.92, 179,524,435.86 and 71,353,535.04 is: 98,471,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,085,404.92 : 179,524,435.86 = 71,353,535.04 : x
  2. Step 2: Convert to fraction form
    130,085,404.92/179,524,435.86 = 71,353,535.04/x
  3. Step 3: Cross multiply
    130,085,404.92x = 179,524,435.86 × 71,353,535.04
  4. Step 4: Simplify right side
    130,085,404.92x = 12,809,703,124,672,744
  5. Step 5: Solve for x
    x = 12,809,703,124,672,744/130,085,404.92
  6. Step 6: Final answer
    x = 98,471,485.96

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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.