Home / 255,539,451.68-383,373,684.72-71,306,773.28

Finding the Fourth Proportional to 255,539,451.68, 383,373,684.72 and 71,306,773.28

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Solution

The fourth proportional to 255,539,451.68, 383,373,684.72 and 71,306,773.28 is: 106,978,160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,539,451.68 : 383,373,684.72 = 71,306,773.28 : x
  2. Step 2: Convert to fraction form
    255,539,451.68/383,373,684.72 = 71,306,773.28/x
  3. Step 3: Cross multiply
    255,539,451.68x = 383,373,684.72 × 71,306,773.28
  4. Step 4: Simplify right side
    255,539,451.68x = 27,337,140,417,847,244
  5. Step 5: Solve for x
    x = 27,337,140,417,847,244/255,539,451.68
  6. Step 6: Final answer
    x = 106,978,160.27

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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.