Home / 85,359,715.37-117,799,262.30-52,313,578.80

Finding the Fourth Proportional to 85,359,715.37, 117,799,262.30 and 52,313,578.80

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Solution

The fourth proportional to 85,359,715.37, 117,799,262.30 and 52,313,578.80 is: 72,194,488.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,359,715.37 : 117,799,262.30 = 52,313,578.80 : x
  2. Step 2: Convert to fraction form
    85,359,715.37/117,799,262.30 = 52,313,578.80/x
  3. Step 3: Cross multiply
    85,359,715.37x = 117,799,262.30 × 52,313,578.80
  4. Step 4: Simplify right side
    85,359,715.37x = 6,162,500,990,651,351
  5. Step 5: Solve for x
    x = 6,162,500,990,651,351/85,359,715.37
  6. Step 6: Final answer
    x = 72,194,488.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.