Home / 45,729,103,184.96-68,570,102,640.42-20,525,213,412.86

Finding the Fourth Proportional to 45,729,103,184.96, 68,570,102,640.42 and 20,525,213,412.86

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Solution

The fourth proportional to 45,729,103,184.96, 68,570,102,640.42 and 20,525,213,412.86 is: 30,777,248,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,729,103,184.96 : 68,570,102,640.42 = 20,525,213,412.86 : x
  2. Step 2: Convert to fraction form
    45,729,103,184.96/68,570,102,640.42 = 20,525,213,412.86/x
  3. Step 3: Cross multiply
    45,729,103,184.96x = 68,570,102,640.42 × 20,525,213,412.86
  4. Step 4: Simplify right side
    45,729,103,184.96x = 1,407,415,990,435,992,567,808
  5. Step 5: Solve for x
    x = 1,407,415,990,435,992,567,808/45,729,103,184.96
  6. Step 6: Final answer
    x = 30,777,248,894.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.