Home / 199,331,236.80-298,674,928.80-112,812,350.40

Finding the Fourth Proportional to 199,331,236.80, 298,674,928.80 and 112,812,350.40

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Solution

The fourth proportional to 199,331,236.80, 298,674,928.80 and 112,812,350.40 is: 169,036,330.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,331,236.80 : 298,674,928.80 = 112,812,350.40 : x
  2. Step 2: Convert to fraction form
    199,331,236.80/298,674,928.80 = 112,812,350.40/x
  3. Step 3: Cross multiply
    199,331,236.80x = 298,674,928.80 × 112,812,350.40
  4. Step 4: Simplify right side
    199,331,236.80x = 33,694,220,723,480,656
  5. Step 5: Solve for x
    x = 33,694,220,723,480,656/199,331,236.80
  6. Step 6: Final answer
    x = 169,036,330.00

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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.