Home / 50,872,720.74-76,334,320.72-20,166,651.06

Finding the Fourth Proportional to 50,872,720.74, 76,334,320.72 and 20,166,651.06

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Solution

The fourth proportional to 50,872,720.74, 76,334,320.72 and 20,166,651.06 is: 30,259,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,872,720.74 : 76,334,320.72 = 20,166,651.06 : x
  2. Step 2: Convert to fraction form
    50,872,720.74/76,334,320.72 = 20,166,651.06/x
  3. Step 3: Cross multiply
    50,872,720.74x = 76,334,320.72 × 20,166,651.06
  4. Step 4: Simplify right side
    50,872,720.74x = 1,539,407,609,862,367.75
  5. Step 5: Solve for x
    x = 1,539,407,609,862,367.75/50,872,720.74
  6. Step 6: Final answer
    x = 30,259,981.92

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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.