Home / 323,539,742.80-485,261,777.22-119,019,988.36

Finding the Fourth Proportional to 323,539,742.80, 485,261,777.22 and 119,019,988.36

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Solution

The fourth proportional to 323,539,742.80, 485,261,777.22 and 119,019,988.36 is: 178,512,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,539,742.80 : 485,261,777.22 = 119,019,988.36 : x
  2. Step 2: Convert to fraction form
    323,539,742.80/485,261,777.22 = 119,019,988.36/x
  3. Step 3: Cross multiply
    323,539,742.80x = 485,261,777.22 × 119,019,988.36
  4. Step 4: Simplify right side
    323,539,742.80x = 57,755,851,076,277,320
  5. Step 5: Solve for x
    x = 57,755,851,076,277,320/323,539,742.80
  6. Step 6: Final answer
    x = 178,512,384.84

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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.