Home / 89,861,329,800.12-124,012,533,243.88-49,763,309,188.62

Finding the Fourth Proportional to 89,861,329,800.12, 124,012,533,243.88 and 49,763,309,188.62

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Solution

The fourth proportional to 89,861,329,800.12, 124,012,533,243.88 and 49,763,309,188.62 is: 68,675,525,376.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861,329,800.12 : 124,012,533,243.88 = 49,763,309,188.62 : x
  2. Step 2: Convert to fraction form
    89,861,329,800.12/124,012,533,243.88 = 49,763,309,188.62/x
  3. Step 3: Cross multiply
    89,861,329,800.12x = 124,012,533,243.88 × 49,763,309,188.62
  4. Step 4: Simplify right side
    89,861,329,800.12x = 6,171,274,035,079,217,676,288
  5. Step 5: Solve for x
    x = 6,171,274,035,079,217,676,288/89,861,329,800.12
  6. Step 6: Final answer
    x = 68,675,525,376.78

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Double scale
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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.