Home / 66,028,879.40-99,117,968.70-50,949,660.20

Finding the Fourth Proportional to 66,028,879.40, 99,117,968.70 and 50,949,660.20

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Solution

The fourth proportional to 66,028,879.40, 99,117,968.70 and 50,949,660.20 is: 76,482,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,028,879.40 : 99,117,968.70 = 50,949,660.20 : x
  2. Step 2: Convert to fraction form
    66,028,879.40/99,117,968.70 = 50,949,660.20/x
  3. Step 3: Cross multiply
    66,028,879.40x = 99,117,968.70 × 50,949,660.20
  4. Step 4: Simplify right side
    66,028,879.40x = 5,050,026,824,979,236
  5. Step 5: Solve for x
    x = 5,050,026,824,979,236/66,028,879.40
  6. Step 6: Final answer
    x = 76,482,091.94

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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.