Home / 120,046,410.25-165,600,143.01-73,017,867.56

Finding the Fourth Proportional to 120,046,410.25, 165,600,143.01 and 73,017,867.56

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Solution

The fourth proportional to 120,046,410.25, 165,600,143.01 and 73,017,867.56 is: 100,725,788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,046,410.25 : 165,600,143.01 = 73,017,867.56 : x
  2. Step 2: Convert to fraction form
    120,046,410.25/165,600,143.01 = 73,017,867.56/x
  3. Step 3: Cross multiply
    120,046,410.25x = 165,600,143.01 × 73,017,867.56
  4. Step 4: Simplify right side
    120,046,410.25x = 12,091,769,309,393,240
  5. Step 5: Solve for x
    x = 12,091,769,309,393,240/120,046,410.25
  6. Step 6: Final answer
    x = 100,725,788.34

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1.5x scale

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.