Home / 354,996,843.20-532,243,322.40-136,562,782.40

Finding the Fourth Proportional to 354,996,843.20, 532,243,322.40 and 136,562,782.40

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Solution

The fourth proportional to 354,996,843.20, 532,243,322.40 and 136,562,782.40 is: 204,747,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,996,843.20 : 532,243,322.40 = 136,562,782.40 : x
  2. Step 2: Convert to fraction form
    354,996,843.20/532,243,322.40 = 136,562,782.40/x
  3. Step 3: Cross multiply
    354,996,843.20x = 532,243,322.40 × 136,562,782.40
  4. Step 4: Simplify right side
    354,996,843.20x = 72,684,629,020,764,240
  5. Step 5: Solve for x
    x = 72,684,629,020,764,240/354,996,843.20
  6. Step 6: Final answer
    x = 204,747,254.55

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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.