Home / 55,366,668.68-76,394,921.46-30,916,620.68

Finding the Fourth Proportional to 55,366,668.68, 76,394,921.46 and 30,916,620.68

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Solution

The fourth proportional to 55,366,668.68, 76,394,921.46 and 30,916,620.68 is: 42,658,748.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,366,668.68 : 76,394,921.46 = 30,916,620.68 : x
  2. Step 2: Convert to fraction form
    55,366,668.68/76,394,921.46 = 30,916,620.68/x
  3. Step 3: Cross multiply
    55,366,668.68x = 76,394,921.46 × 30,916,620.68
  4. Step 4: Simplify right side
    55,366,668.68x = 2,361,872,808,657,211.50
  5. Step 5: Solve for x
    x = 2,361,872,808,657,211.50/55,366,668.68
  6. Step 6: Final answer
    x = 42,658,748.76

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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.