Home / 354,302,893.20-531,454,339.80-111,965,797.20

Finding the Fourth Proportional to 354,302,893.20, 531,454,339.80 and 111,965,797.20

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Solution

The fourth proportional to 354,302,893.20, 531,454,339.80 and 111,965,797.20 is: 167,948,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,302,893.20 : 531,454,339.80 = 111,965,797.20 : x
  2. Step 2: Convert to fraction form
    354,302,893.20/531,454,339.80 = 111,965,797.20/x
  3. Step 3: Cross multiply
    354,302,893.20x = 531,454,339.80 × 111,965,797.20
  4. Step 4: Simplify right side
    354,302,893.20x = 59,504,708,831,106,688
  5. Step 5: Solve for x
    x = 59,504,708,831,106,688/354,302,893.20
  6. Step 6: Final answer
    x = 167,948,695.80

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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.