Home / 164,016,004.80-246,024,007.20-66,939,448.80

Finding the Fourth Proportional to 164,016,004.80, 246,024,007.20 and 66,939,448.80

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Solution

The fourth proportional to 164,016,004.80, 246,024,007.20 and 66,939,448.80 is: 100,409,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,016,004.80 : 246,024,007.20 = 66,939,448.80 : x
  2. Step 2: Convert to fraction form
    164,016,004.80/246,024,007.20 = 66,939,448.80/x
  3. Step 3: Cross multiply
    164,016,004.80x = 246,024,007.20 × 66,939,448.80
  4. Step 4: Simplify right side
    164,016,004.80x = 16,468,711,433,535,230
  5. Step 5: Solve for x
    x = 16,468,711,433,535,230/164,016,004.80
  6. Step 6: Final answer
    x = 100,409,173.20

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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.