Home / 148,126,489-204,416,665.14-85,401,346.12

Finding the Fourth Proportional to 148,126,489, 204,416,665.14 and 85,401,346.12

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Solution

The fourth proportional to 148,126,489, 204,416,665.14 and 85,401,346.12 is: 117,855,074.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,126,489 : 204,416,665.14 = 85,401,346.12 : x
  2. Step 2: Convert to fraction form
    148,126,489/204,416,665.14 = 85,401,346.12/x
  3. Step 3: Cross multiply
    148,126,489x = 204,416,665.14 × 85,401,346.12
  4. Step 4: Simplify right side
    148,126,489x = 17,457,458,372,317,278
  5. Step 5: Solve for x
    x = 17,457,458,372,317,278/148,126,489
  6. Step 6: Final answer
    x = 117,855,074.34

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1.5x scale

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.