Home / 55,558,228.60-76,675,063.73-30,786,185.88

Finding the Fourth Proportional to 55,558,228.60, 76,675,063.73 and 30,786,185.88

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Solution

The fourth proportional to 55,558,228.60, 76,675,063.73 and 30,786,185.88 is: 42,487,545.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558,228.60 : 76,675,063.73 = 30,786,185.88 : x
  2. Step 2: Convert to fraction form
    55,558,228.60/76,675,063.73 = 30,786,185.88/x
  3. Step 3: Cross multiply
    55,558,228.60x = 76,675,063.73 × 30,786,185.88
  4. Step 4: Simplify right side
    55,558,228.60x = 2,360,532,764,352,626
  5. Step 5: Solve for x
    x = 2,360,532,764,352,626/55,558,228.60
  6. Step 6: Final answer
    x = 42,487,545.48

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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.