Home / 145,535,287.20-218,302,930.80-127,619,383.20

Finding the Fourth Proportional to 145,535,287.20, 218,302,930.80 and 127,619,383.20

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Solution

The fourth proportional to 145,535,287.20, 218,302,930.80 and 127,619,383.20 is: 191,429,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,535,287.20 : 218,302,930.80 = 127,619,383.20 : x
  2. Step 2: Convert to fraction form
    145,535,287.20/218,302,930.80 = 127,619,383.20/x
  3. Step 3: Cross multiply
    145,535,287.20x = 218,302,930.80 × 127,619,383.20
  4. Step 4: Simplify right side
    145,535,287.20x = 27,859,685,379,448,284
  5. Step 5: Solve for x
    x = 27,859,685,379,448,284/145,535,287.20
  6. Step 6: Final answer
    x = 191,429,074.80

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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.