Home / 111,143,678.03-166,715,883.02-28,145,385.05

Finding the Fourth Proportional to 111,143,678.03, 166,715,883.02 and 28,145,385.05

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Solution

The fourth proportional to 111,143,678.03, 166,715,883.02 and 28,145,385.05 is: 42,218,170.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,143,678.03 : 166,715,883.02 = 28,145,385.05 : x
  2. Step 2: Convert to fraction form
    111,143,678.03/166,715,883.02 = 28,145,385.05/x
  3. Step 3: Cross multiply
    111,143,678.03x = 166,715,883.02 × 28,145,385.05
  4. Step 4: Simplify right side
    111,143,678.03x = 4,692,282,720,785,441
  5. Step 5: Solve for x
    x = 4,692,282,720,785,441/111,143,678.03
  6. Step 6: Final answer
    x = 42,218,170.25

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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.