Home / 161,760,374.40-242,640,561.60-123,496,622.40

Finding the Fourth Proportional to 161,760,374.40, 242,640,561.60 and 123,496,622.40

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Solution

The fourth proportional to 161,760,374.40, 242,640,561.60 and 123,496,622.40 is: 185,244,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,760,374.40 : 242,640,561.60 = 123,496,622.40 : x
  2. Step 2: Convert to fraction form
    161,760,374.40/242,640,561.60 = 123,496,622.40/x
  3. Step 3: Cross multiply
    161,760,374.40x = 242,640,561.60 × 123,496,622.40
  4. Step 4: Simplify right side
    161,760,374.40x = 29,965,289,814,839,140
  5. Step 5: Solve for x
    x = 29,965,289,814,839,140/161,760,374.40
  6. Step 6: Final answer
    x = 185,244,933.60

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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.