Home / 125,640,789.60-188,465,383.44-34,756,767.84

Finding the Fourth Proportional to 125,640,789.60, 188,465,383.44 and 34,756,767.84

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Solution

The fourth proportional to 125,640,789.60, 188,465,383.44 and 34,756,767.84 is: 52,136,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,640,789.60 : 188,465,383.44 = 34,756,767.84 : x
  2. Step 2: Convert to fraction form
    125,640,789.60/188,465,383.44 = 34,756,767.84/x
  3. Step 3: Cross multiply
    125,640,789.60x = 188,465,383.44 × 34,756,767.84
  4. Step 4: Simplify right side
    125,640,789.60x = 6,550,447,578,100,661
  5. Step 5: Solve for x
    x = 6,550,447,578,100,661/125,640,789.60
  6. Step 6: Final answer
    x = 52,136,313.37

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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.