Home / 133,068,887.20-199,584,668.40-42,201,661.60

Finding the Fourth Proportional to 133,068,887.20, 199,584,668.40 and 42,201,661.60

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Solution

The fourth proportional to 133,068,887.20, 199,584,668.40 and 42,201,661.60 is: 63,296,573.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,068,887.20 : 199,584,668.40 = 42,201,661.60 : x
  2. Step 2: Convert to fraction form
    133,068,887.20/199,584,668.40 = 42,201,661.60/x
  3. Step 3: Cross multiply
    133,068,887.20x = 199,584,668.40 × 42,201,661.60
  4. Step 4: Simplify right side
    133,068,887.20x = 8,422,804,636,365,014
  5. Step 5: Solve for x
    x = 8,422,804,636,365,014/133,068,887.20
  6. Step 6: Final answer
    x = 63,296,573.78

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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.