Home / 129,537,250.40-194,380,525.20-48,816,149.60

Finding the Fourth Proportional to 129,537,250.40, 194,380,525.20 and 48,816,149.60

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Solution

The fourth proportional to 129,537,250.40, 194,380,525.20 and 48,816,149.60 is: 73,252,356.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,537,250.40 : 194,380,525.20 = 48,816,149.60 : x
  2. Step 2: Convert to fraction form
    129,537,250.40/194,380,525.20 = 48,816,149.60/x
  3. Step 3: Cross multiply
    129,537,250.40x = 194,380,525.20 × 48,816,149.60
  4. Step 4: Simplify right side
    129,537,250.40x = 9,488,908,797,489,770
  5. Step 5: Solve for x
    x = 9,488,908,797,489,770/129,537,250.40
  6. Step 6: Final answer
    x = 73,252,356.12

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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.