Home / 76,664,110.40-114,996,165.60-51,021,972.80

Finding the Fourth Proportional to 76,664,110.40, 114,996,165.60 and 51,021,972.80

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Solution

The fourth proportional to 76,664,110.40, 114,996,165.60 and 51,021,972.80 is: 76,532,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,664,110.40 : 114,996,165.60 = 51,021,972.80 : x
  2. Step 2: Convert to fraction form
    76,664,110.40/114,996,165.60 = 51,021,972.80/x
  3. Step 3: Cross multiply
    76,664,110.40x = 114,996,165.60 × 51,021,972.80
  4. Step 4: Simplify right side
    76,664,110.40x = 5,867,331,233,347,495
  5. Step 5: Solve for x
    x = 5,867,331,233,347,495/76,664,110.40
  6. Step 6: Final answer
    x = 76,532,959.20

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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.