Home / 189,906,047.76-284,850,511.56-79,196,126.88

Finding the Fourth Proportional to 189,906,047.76, 284,850,511.56 and 79,196,126.88

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Solution

The fourth proportional to 189,906,047.76, 284,850,511.56 and 79,196,126.88 is: 118,790,620.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,906,047.76 : 284,850,511.56 = 79,196,126.88 : x
  2. Step 2: Convert to fraction form
    189,906,047.76/284,850,511.56 = 79,196,126.88/x
  3. Step 3: Cross multiply
    189,906,047.76x = 284,850,511.56 × 79,196,126.88
  4. Step 4: Simplify right side
    189,906,047.76x = 22,559,057,255,338,664
  5. Step 5: Solve for x
    x = 22,559,057,255,338,664/189,906,047.76
  6. Step 6: Final answer
    x = 118,790,620.53

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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.