Home / 103,629,660.70-155,544,023.85-52,569,334.30

Finding the Fourth Proportional to 103,629,660.70, 155,544,023.85 and 52,569,334.30

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Solution

The fourth proportional to 103,629,660.70, 155,544,023.85 and 52,569,334.30 is: 78,904,492.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629,660.70 : 155,544,023.85 = 52,569,334.30 : x
  2. Step 2: Convert to fraction form
    103,629,660.70/155,544,023.85 = 52,569,334.30/x
  3. Step 3: Cross multiply
    103,629,660.70x = 155,544,023.85 × 52,569,334.30
  4. Step 4: Simplify right side
    103,629,660.70x = 8,176,845,788,137,822
  5. Step 5: Solve for x
    x = 8,176,845,788,137,822/103,629,660.70
  6. Step 6: Final answer
    x = 78,904,492.53

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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.