Home / 111,023,999.10-166,535,998.65-109,134,431.10

Finding the Fourth Proportional to 111,023,999.10, 166,535,998.65 and 109,134,431.10

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Solution

The fourth proportional to 111,023,999.10, 166,535,998.65 and 109,134,431.10 is: 163,701,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,023,999.10 : 166,535,998.65 = 109,134,431.10 : x
  2. Step 2: Convert to fraction form
    111,023,999.10/166,535,998.65 = 109,134,431.10/x
  3. Step 3: Cross multiply
    111,023,999.10x = 166,535,998.65 × 109,134,431.10
  4. Step 4: Simplify right side
    111,023,999.10x = 18,174,811,470,338,116
  5. Step 5: Solve for x
    x = 18,174,811,470,338,116/111,023,999.10
  6. Step 6: Final answer
    x = 163,701,646.65

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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.