Home / 186,597,545.40-280,022,289.30-121,743,372.60

Finding the Fourth Proportional to 186,597,545.40, 280,022,289.30 and 121,743,372.60

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Solution

The fourth proportional to 186,597,545.40, 280,022,289.30 and 121,743,372.60 is: 182,697,247.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,597,545.40 : 280,022,289.30 = 121,743,372.60 : x
  2. Step 2: Convert to fraction form
    186,597,545.40/280,022,289.30 = 121,743,372.60/x
  3. Step 3: Cross multiply
    186,597,545.40x = 280,022,289.30 × 121,743,372.60
  4. Step 4: Simplify right side
    186,597,545.40x = 34,090,857,902,554,892
  5. Step 5: Solve for x
    x = 34,090,857,902,554,892/186,597,545.40
  6. Step 6: Final answer
    x = 182,697,247.33

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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.