Home / 89,492,696.04-123,429,947.78-58,140,849

Finding the Fourth Proportional to 89,492,696.04, 123,429,947.78 and 58,140,849

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Solution

The fourth proportional to 89,492,696.04, 123,429,947.78 and 58,140,849 is: 80,188,912.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,492,696.04 : 123,429,947.78 = 58,140,849 : x
  2. Step 2: Convert to fraction form
    89,492,696.04/123,429,947.78 = 58,140,849/x
  3. Step 3: Cross multiply
    89,492,696.04x = 123,429,947.78 × 58,140,849
  4. Step 4: Simplify right side
    89,492,696.04x = 7,176,321,955,954,865
  5. Step 5: Solve for x
    x = 7,176,321,955,954,865/89,492,696.04
  6. Step 6: Final answer
    x = 80,188,912.32

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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.