Home / 354,996,872.20-532,243,365.90-136,562,811.40

Finding the Fourth Proportional to 354,996,872.20, 532,243,365.90 and 136,562,811.40

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Solution

The fourth proportional to 354,996,872.20, 532,243,365.90 and 136,562,811.40 is: 204,747,298.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,996,872.20 : 532,243,365.90 = 136,562,811.40 : x
  2. Step 2: Convert to fraction form
    354,996,872.20/532,243,365.90 = 136,562,811.40/x
  3. Step 3: Cross multiply
    354,996,872.20x = 532,243,365.90 × 136,562,811.40
  4. Step 4: Simplify right side
    354,996,872.20x = 72,684,650,396,302,896
  5. Step 5: Solve for x
    x = 72,684,650,396,302,896/354,996,872.20
  6. Step 6: Final answer
    x = 204,747,298.04

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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.