Home / 81,650,832.40-122,476,248.60-36,301,200.40

Finding the Fourth Proportional to 81,650,832.40, 122,476,248.60 and 36,301,200.40

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Solution

The fourth proportional to 81,650,832.40, 122,476,248.60 and 36,301,200.40 is: 54,451,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,650,832.40 : 122,476,248.60 = 36,301,200.40 : x
  2. Step 2: Convert to fraction form
    81,650,832.40/122,476,248.60 = 36,301,200.40/x
  3. Step 3: Cross multiply
    81,650,832.40x = 122,476,248.60 × 36,301,200.40
  4. Step 4: Simplify right side
    81,650,832.40x = 4,446,034,844,668,819
  5. Step 5: Solve for x
    x = 4,446,034,844,668,819/81,650,832.40
  6. Step 6: Final answer
    x = 54,451,800.60

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1.5x scale

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.