Home / 52,077,916.32-71,867,394.72-28,872,445.92

Finding the Fourth Proportional to 52,077,916.32, 71,867,394.72 and 28,872,445.92

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Solution

The fourth proportional to 52,077,916.32, 71,867,394.72 and 28,872,445.92 is: 39,843,903.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,077,916.32 : 71,867,394.72 = 28,872,445.92 : x
  2. Step 2: Convert to fraction form
    52,077,916.32/71,867,394.72 = 28,872,445.92/x
  3. Step 3: Cross multiply
    52,077,916.32x = 71,867,394.72 × 28,872,445.92
  4. Step 4: Simplify right side
    52,077,916.32x = 2,074,987,467,464,493.75
  5. Step 5: Solve for x
    x = 2,074,987,467,464,493.75/52,077,916.32
  6. Step 6: Final answer
    x = 39,843,903.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.