Home / 199,270,807.20-298,906,210.80-122,344,394.40

Finding the Fourth Proportional to 199,270,807.20, 298,906,210.80 and 122,344,394.40

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Solution

The fourth proportional to 199,270,807.20, 298,906,210.80 and 122,344,394.40 is: 183,516,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,270,807.20 : 298,906,210.80 = 122,344,394.40 : x
  2. Step 2: Convert to fraction form
    199,270,807.20/298,906,210.80 = 122,344,394.40/x
  3. Step 3: Cross multiply
    199,270,807.20x = 298,906,210.80 × 122,344,394.40
  4. Step 4: Simplify right side
    199,270,807.20x = 36,569,499,342,724,744
  5. Step 5: Solve for x
    x = 36,569,499,342,724,744/199,270,807.20
  6. Step 6: Final answer
    x = 183,516,591.60

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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.