Home / 89,861,329,790.33-124,012,533,230.39-49,763,309,178.81

Finding the Fourth Proportional to 89,861,329,790.33, 124,012,533,230.39 and 49,763,309,178.81

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Solution

The fourth proportional to 89,861,329,790.33, 124,012,533,230.39 and 49,763,309,178.81 is: 68,675,525,363.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861,329,790.33 : 124,012,533,230.39 = 49,763,309,178.81 : x
  2. Step 2: Convert to fraction form
    89,861,329,790.33/124,012,533,230.39 = 49,763,309,178.81/x
  3. Step 3: Cross multiply
    89,861,329,790.33x = 124,012,533,230.39 × 49,763,309,178.81
  4. Step 4: Simplify right side
    89,861,329,790.33x = 6,171,274,033,191,346,765,824
  5. Step 5: Solve for x
    x = 6,171,274,033,191,346,765,824/89,861,329,790.33
  6. Step 6: Final answer
    x = 68,675,525,363.25

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1.5x scale

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.