Home / 354,996,769.20-532,243,211.40-136,562,708.40

Finding the Fourth Proportional to 354,996,769.20, 532,243,211.40 and 136,562,708.40

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Solution

The fourth proportional to 354,996,769.20, 532,243,211.40 and 136,562,708.40 is: 204,747,143.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,996,769.20 : 532,243,211.40 = 136,562,708.40 : x
  2. Step 2: Convert to fraction form
    354,996,769.20/532,243,211.40 = 136,562,708.40/x
  3. Step 3: Cross multiply
    354,996,769.20x = 532,243,211.40 × 136,562,708.40
  4. Step 4: Simplify right side
    354,996,769.20x = 72,684,574,476,297,760
  5. Step 5: Solve for x
    x = 72,684,574,476,297,760/354,996,769.20
  6. Step 6: Final answer
    x = 204,747,143.59

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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.