Home / 127,766,682.40-191,650,023.60-79,393,741.60

Finding the Fourth Proportional to 127,766,682.40, 191,650,023.60 and 79,393,741.60

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Solution

The fourth proportional to 127,766,682.40, 191,650,023.60 and 79,393,741.60 is: 119,090,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,766,682.40 : 191,650,023.60 = 79,393,741.60 : x
  2. Step 2: Convert to fraction form
    127,766,682.40/191,650,023.60 = 79,393,741.60/x
  3. Step 3: Cross multiply
    127,766,682.40x = 191,650,023.60 × 79,393,741.60
  4. Step 4: Simplify right side
    127,766,682.40x = 15,215,812,451,332,300
  5. Step 5: Solve for x
    x = 15,215,812,451,332,300/127,766,682.40
  6. Step 6: Final answer
    x = 119,090,612.40

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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.