Home / 426,494,104.50-639,765,087.80-119,762,302.53

Finding the Fourth Proportional to 426,494,104.50, 639,765,087.80 and 119,762,302.53

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Solution

The fourth proportional to 426,494,104.50, 639,765,087.80 and 119,762,302.53 is: 179,650,173.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,494,104.50 : 639,765,087.80 = 119,762,302.53 : x
  2. Step 2: Convert to fraction form
    426,494,104.50/639,765,087.80 = 119,762,302.53/x
  3. Step 3: Cross multiply
    426,494,104.50x = 639,765,087.80 × 119,762,302.53
  4. Step 4: Simplify right side
    426,494,104.50x = 76,619,739,992,636,800
  5. Step 5: Solve for x
    x = 76,619,739,992,636,800/426,494,104.50
  6. Step 6: Final answer
    x = 179,650,173.79

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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.