Home / 383,544,200.76-575,327,020.12-124,759,421.98

Finding the Fourth Proportional to 383,544,200.76, 575,327,020.12 and 124,759,421.98

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Solution

The fourth proportional to 383,544,200.76, 575,327,020.12 and 124,759,421.98 is: 187,142,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,544,200.76 : 575,327,020.12 = 124,759,421.98 : x
  2. Step 2: Convert to fraction form
    383,544,200.76/575,327,020.12 = 124,759,421.98/x
  3. Step 3: Cross multiply
    383,544,200.76x = 575,327,020.12 × 124,759,421.98
  4. Step 4: Simplify right side
    383,544,200.76x = 71,777,466,479,647,032
  5. Step 5: Solve for x
    x = 71,777,466,479,647,032/383,544,200.76
  6. Step 6: Final answer
    x = 187,142,619.64

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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.