Home / 81,358,565.60-122,037,848.40-27,505,877.60

Finding the Fourth Proportional to 81,358,565.60, 122,037,848.40 and 27,505,877.60

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Solution

The fourth proportional to 81,358,565.60, 122,037,848.40 and 27,505,877.60 is: 41,258,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,358,565.60 : 122,037,848.40 = 27,505,877.60 : x
  2. Step 2: Convert to fraction form
    81,358,565.60/122,037,848.40 = 27,505,877.60/x
  3. Step 3: Cross multiply
    81,358,565.60x = 122,037,848.40 × 27,505,877.60
  4. Step 4: Simplify right side
    81,358,565.60x = 3,356,758,120,657,756
  5. Step 5: Solve for x
    x = 3,356,758,120,657,756/81,358,565.60
  6. Step 6: Final answer
    x = 41,258,816.40

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Double scale
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Similar ratio
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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.