Home / 75,816,071.40-113,724,107.10-50,285,908.20

Finding the Fourth Proportional to 75,816,071.40, 113,724,107.10 and 50,285,908.20

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Solution

The fourth proportional to 75,816,071.40, 113,724,107.10 and 50,285,908.20 is: 75,428,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,816,071.40 : 113,724,107.10 = 50,285,908.20 : x
  2. Step 2: Convert to fraction form
    75,816,071.40/113,724,107.10 = 50,285,908.20/x
  3. Step 3: Cross multiply
    75,816,071.40x = 113,724,107.10 × 50,285,908.20
  4. Step 4: Simplify right side
    75,816,071.40x = 5,718,720,009,757,568
  5. Step 5: Solve for x
    x = 5,718,720,009,757,568/75,816,071.40
  6. Step 6: Final answer
    x = 75,428,862.30

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Double scale
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Similar ratio
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1.5x scale

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.