Home / 76,977,056.33-115,503,521.66-36,039,267.53

Finding the Fourth Proportional to 76,977,056.33, 115,503,521.66 and 36,039,267.53

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Solution

The fourth proportional to 76,977,056.33, 115,503,521.66 and 36,039,267.53 is: 54,076,662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,977,056.33 : 115,503,521.66 = 36,039,267.53 : x
  2. Step 2: Convert to fraction form
    76,977,056.33/115,503,521.66 = 36,039,267.53/x
  3. Step 3: Cross multiply
    76,977,056.33x = 115,503,521.66 × 36,039,267.53
  4. Step 4: Simplify right side
    76,977,056.33x = 4,162,662,317,761,889.50
  5. Step 5: Solve for x
    x = 4,162,662,317,761,889.50/76,977,056.33
  6. Step 6: Final answer
    x = 54,076,662.79

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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.