Home / 81,651,470.40-122,477,205.60-36,301,838.40

Finding the Fourth Proportional to 81,651,470.40, 122,477,205.60 and 36,301,838.40

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Solution

The fourth proportional to 81,651,470.40, 122,477,205.60 and 36,301,838.40 is: 54,452,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,651,470.40 : 122,477,205.60 = 36,301,838.40 : x
  2. Step 2: Convert to fraction form
    81,651,470.40/122,477,205.60 = 36,301,838.40/x
  3. Step 3: Cross multiply
    81,651,470.40x = 122,477,205.60 × 36,301,838.40
  4. Step 4: Simplify right side
    81,651,470.40x = 4,446,147,725,374,774.50
  5. Step 5: Solve for x
    x = 4,446,147,725,374,774.50/81,651,470.40
  6. Step 6: Final answer
    x = 54,452,757.60

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Similar ratio
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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.