Home / 76,977,046.96-115,503,507.60-36,039,258.16

Finding the Fourth Proportional to 76,977,046.96, 115,503,507.60 and 36,039,258.16

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Solution

The fourth proportional to 76,977,046.96, 115,503,507.60 and 36,039,258.16 is: 54,076,648.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,977,046.96 : 115,503,507.60 = 36,039,258.16 : x
  2. Step 2: Convert to fraction form
    76,977,046.96/115,503,507.60 = 36,039,258.16/x
  3. Step 3: Cross multiply
    76,977,046.96x = 115,503,507.60 × 36,039,258.16
  4. Step 4: Simplify right side
    76,977,046.96x = 4,162,660,728,024,208.50
  5. Step 5: Solve for x
    x = 4,162,660,728,024,208.50/76,977,046.96
  6. Step 6: Final answer
    x = 54,076,648.72

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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.