Home / 164,016,015.80-246,024,023.70-66,939,459.80

Finding the Fourth Proportional to 164,016,015.80, 246,024,023.70 and 66,939,459.80

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Solution

The fourth proportional to 164,016,015.80, 246,024,023.70 and 66,939,459.80 is: 100,409,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,016,015.80 : 246,024,023.70 = 66,939,459.80 : x
  2. Step 2: Convert to fraction form
    164,016,015.80/246,024,023.70 = 66,939,459.80/x
  3. Step 3: Cross multiply
    164,016,015.80x = 246,024,023.70 × 66,939,459.80
  4. Step 4: Simplify right side
    164,016,015.80x = 16,468,715,244,300,396
  5. Step 5: Solve for x
    x = 16,468,715,244,300,396/164,016,015.80
  6. Step 6: Final answer
    x = 100,409,189.70

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1.5x scale

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.