Home / 125,682,801.39-173,439,546.93-72,761,752.53

Finding the Fourth Proportional to 125,682,801.39, 173,439,546.93 and 72,761,752.53

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Solution

The fourth proportional to 125,682,801.39, 173,439,546.93 and 72,761,752.53 is: 100,409,644.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,682,801.39 : 173,439,546.93 = 72,761,752.53 : x
  2. Step 2: Convert to fraction form
    125,682,801.39/173,439,546.93 = 72,761,752.53/x
  3. Step 3: Cross multiply
    125,682,801.39x = 173,439,546.93 × 72,761,752.53
  4. Step 4: Simplify right side
    125,682,801.39x = 12,619,765,392,635,982
  5. Step 5: Solve for x
    x = 12,619,765,392,635,982/125,682,801.39
  6. Step 6: Final answer
    x = 100,409,644.38

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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.