Home / 55,196,587,912.15-76,171,140,760.20-30,782,024,663.32

Finding the Fourth Proportional to 55,196,587,912.15, 76,171,140,760.20 and 30,782,024,663.32

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Solution

The fourth proportional to 55,196,587,912.15, 76,171,140,760.20 and 30,782,024,663.32 is: 42,479,110,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,196,587,912.15 : 76,171,140,760.20 = 30,782,024,663.32 : x
  2. Step 2: Convert to fraction form
    55,196,587,912.15/76,171,140,760.20 = 30,782,024,663.32/x
  3. Step 3: Cross multiply
    55,196,587,912.15x = 76,171,140,760.20 × 30,782,024,663.32
  4. Step 4: Simplify right side
    55,196,587,912.15x = 2,344,701,933,513,695,559,680
  5. Step 5: Solve for x
    x = 2,344,701,933,513,695,559,680/55,196,587,912.15
  6. Step 6: Final answer
    x = 42,479,110,071.90

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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.