Home / 55,196,587,608.30-76,171,140,343.86-30,782,024,359.20

Finding the Fourth Proportional to 55,196,587,608.30, 76,171,140,343.86 and 30,782,024,359.20

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Solution

The fourth proportional to 55,196,587,608.30, 76,171,140,343.86 and 30,782,024,359.20 is: 42,479,109,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,196,587,608.30 : 76,171,140,343.86 = 30,782,024,359.20 : x
  2. Step 2: Convert to fraction form
    55,196,587,608.30/76,171,140,343.86 = 30,782,024,359.20/x
  3. Step 3: Cross multiply
    55,196,587,608.30x = 76,171,140,343.86 × 30,782,024,359.20
  4. Step 4: Simplify right side
    55,196,587,608.30x = 2,344,701,897,532,740,468,736
  5. Step 5: Solve for x
    x = 2,344,701,897,532,740,468,736/55,196,587,608.30
  6. Step 6: Final answer
    x = 42,479,109,653.88

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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.