Home / 318,191,401.80-477,307,276.22-99,850,361.60

Finding the Fourth Proportional to 318,191,401.80, 477,307,276.22 and 99,850,361.60

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Solution

The fourth proportional to 318,191,401.80, 477,307,276.22 and 99,850,361.60 is: 149,781,872.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,191,401.80 : 477,307,276.22 = 99,850,361.60 : x
  2. Step 2: Convert to fraction form
    318,191,401.80/477,307,276.22 = 99,850,361.60/x
  3. Step 3: Cross multiply
    318,191,401.80x = 477,307,276.22 × 99,850,361.60
  4. Step 4: Simplify right side
    318,191,401.80x = 47,659,304,126,320,984
  5. Step 5: Solve for x
    x = 47,659,304,126,320,984/318,191,401.80
  6. Step 6: Final answer
    x = 149,781,872.98

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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.