Home / 111,186,852.72-166,019,786.22-99,597,502.32

Finding the Fourth Proportional to 111,186,852.72, 166,019,786.22 and 99,597,502.32

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Solution

The fourth proportional to 111,186,852.72, 166,019,786.22 and 99,597,502.32 is: 148,715,029.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,186,852.72 : 166,019,786.22 = 99,597,502.32 : x
  2. Step 2: Convert to fraction form
    111,186,852.72/166,019,786.22 = 99,597,502.32/x
  3. Step 3: Cross multiply
    111,186,852.72x = 166,019,786.22 × 99,597,502.32
  4. Step 4: Simplify right side
    111,186,852.72x = 16,535,156,043,212,352
  5. Step 5: Solve for x
    x = 16,535,156,043,212,352/111,186,852.72
  6. Step 6: Final answer
    x = 148,715,029.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.