Home / 145,464,383.89-200,745,105.60-79,389,120.16

Finding the Fourth Proportional to 145,464,383.89, 200,745,105.60 and 79,389,120.16

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Solution

The fourth proportional to 145,464,383.89, 200,745,105.60 and 79,389,120.16 is: 109,559,308.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,464,383.89 : 200,745,105.60 = 79,389,120.16 : x
  2. Step 2: Convert to fraction form
    145,464,383.89/200,745,105.60 = 79,389,120.16/x
  3. Step 3: Cross multiply
    145,464,383.89x = 200,745,105.60 × 79,389,120.16
  4. Step 4: Simplify right side
    145,464,383.89x = 15,936,977,310,010,288
  5. Step 5: Solve for x
    x = 15,936,977,310,010,288/145,464,383.89
  6. Step 6: Final answer
    x = 109,559,308.50

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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.