Home / 163,784,321.63-245,798,505.44-120,177,760.56

Finding the Fourth Proportional to 163,784,321.63, 245,798,505.44 and 120,177,760.56

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Solution

The fourth proportional to 163,784,321.63, 245,798,505.44 and 120,177,760.56 is: 180,356,175.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,784,321.63 : 245,798,505.44 = 120,177,760.56 : x
  2. Step 2: Convert to fraction form
    163,784,321.63/245,798,505.44 = 120,177,760.56/x
  3. Step 3: Cross multiply
    163,784,321.63x = 245,798,505.44 × 120,177,760.56
  4. Step 4: Simplify right side
    163,784,321.63x = 29,539,513,932,173,288
  5. Step 5: Solve for x
    x = 29,539,513,932,173,288/163,784,321.63
  6. Step 6: Final answer
    x = 180,356,175.96

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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.