Home / 234,842,486.40-352,263,729.60-81,504,043.20

Finding the Fourth Proportional to 234,842,486.40, 352,263,729.60 and 81,504,043.20

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Solution

The fourth proportional to 234,842,486.40, 352,263,729.60 and 81,504,043.20 is: 122,256,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,842,486.40 : 352,263,729.60 = 81,504,043.20 : x
  2. Step 2: Convert to fraction form
    234,842,486.40/352,263,729.60 = 81,504,043.20/x
  3. Step 3: Cross multiply
    234,842,486.40x = 352,263,729.60 × 81,504,043.20
  4. Step 4: Simplify right side
    234,842,486.40x = 28,710,918,235,111,520
  5. Step 5: Solve for x
    x = 28,710,918,235,111,520/234,842,486.40
  6. Step 6: Final answer
    x = 122,256,064.80

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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.