Home / 361,118,916.66-541,507,619.63-139,893,872.32

Finding the Fourth Proportional to 361,118,916.66, 541,507,619.63 and 139,893,872.32

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Solution

The fourth proportional to 361,118,916.66, 541,507,619.63 and 139,893,872.32 is: 209,774,659.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,118,916.66 : 541,507,619.63 = 139,893,872.32 : x
  2. Step 2: Convert to fraction form
    361,118,916.66/541,507,619.63 = 139,893,872.32/x
  3. Step 3: Cross multiply
    361,118,916.66x = 541,507,619.63 × 139,893,872.32
  4. Step 4: Simplify right side
    361,118,916.66x = 75,753,597,800,826,336
  5. Step 5: Solve for x
    x = 75,753,597,800,826,336/361,118,916.66
  6. Step 6: Final answer
    x = 209,774,659.55

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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.