Home / 188,439,774.30-282,449,709.45-73,386,078.30

Finding the Fourth Proportional to 188,439,774.30, 282,449,709.45 and 73,386,078.30

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Solution

The fourth proportional to 188,439,774.30, 282,449,709.45 and 73,386,078.30 is: 109,997,353.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,439,774.30 : 282,449,709.45 = 73,386,078.30 : x
  2. Step 2: Convert to fraction form
    188,439,774.30/282,449,709.45 = 73,386,078.30/x
  3. Step 3: Cross multiply
    188,439,774.30x = 282,449,709.45 × 73,386,078.30
  4. Step 4: Simplify right side
    188,439,774.30x = 20,727,876,493,509,948
  5. Step 5: Solve for x
    x = 20,727,876,493,509,948/188,439,774.30
  6. Step 6: Final answer
    x = 109,997,353.64

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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.