Home / 61,240,999.70-91,861,499.55-54,066,546.20

Finding the Fourth Proportional to 61,240,999.70, 91,861,499.55 and 54,066,546.20

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Solution

The fourth proportional to 61,240,999.70, 91,861,499.55 and 54,066,546.20 is: 81,099,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,240,999.70 : 91,861,499.55 = 54,066,546.20 : x
  2. Step 2: Convert to fraction form
    61,240,999.70/91,861,499.55 = 54,066,546.20/x
  3. Step 3: Cross multiply
    61,240,999.70x = 91,861,499.55 × 54,066,546.20
  4. Step 4: Simplify right side
    61,240,999.70x = 4,966,634,009,421,354
  5. Step 5: Solve for x
    x = 4,966,634,009,421,354/61,240,999.70
  6. Step 6: Final answer
    x = 81,099,819.30

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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.