Home / 75,954,800.76-113,743,243.80-53,128,819.32

Finding the Fourth Proportional to 75,954,800.76, 113,743,243.80 and 53,128,819.32

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Solution

The fourth proportional to 75,954,800.76, 113,743,243.80 and 53,128,819.32 is: 79,561,057.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,954,800.76 : 113,743,243.80 = 53,128,819.32 : x
  2. Step 2: Convert to fraction form
    75,954,800.76/113,743,243.80 = 53,128,819.32/x
  3. Step 3: Cross multiply
    75,954,800.76x = 113,743,243.80 × 53,128,819.32
  4. Step 4: Simplify right side
    75,954,800.76x = 6,043,044,248,720,910
  5. Step 5: Solve for x
    x = 6,043,044,248,720,910/75,954,800.76
  6. Step 6: Final answer
    x = 79,561,057.21

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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.