Home / 285,477,041.52-393,977,810.25-161,718,735.60

Finding the Fourth Proportional to 285,477,041.52, 393,977,810.25 and 161,718,735.60

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Solution

The fourth proportional to 285,477,041.52, 393,977,810.25 and 161,718,735.60 is: 223,182,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,477,041.52 : 393,977,810.25 = 161,718,735.60 : x
  2. Step 2: Convert to fraction form
    285,477,041.52/393,977,810.25 = 161,718,735.60/x
  3. Step 3: Cross multiply
    285,477,041.52x = 393,977,810.25 × 161,718,735.60
  4. Step 4: Simplify right side
    285,477,041.52x = 63,713,593,328,086,720
  5. Step 5: Solve for x
    x = 63,713,593,328,086,720/285,477,041.52
  6. Step 6: Final answer
    x = 223,182,897.61

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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.