Home / 189,558,358.20-284,337,537.30-158,947,356.60

Finding the Fourth Proportional to 189,558,358.20, 284,337,537.30 and 158,947,356.60

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Solution

The fourth proportional to 189,558,358.20, 284,337,537.30 and 158,947,356.60 is: 238,421,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,558,358.20 : 284,337,537.30 = 158,947,356.60 : x
  2. Step 2: Convert to fraction form
    189,558,358.20/284,337,537.30 = 158,947,356.60/x
  3. Step 3: Cross multiply
    189,558,358.20x = 284,337,537.30 × 158,947,356.60
  4. Step 4: Simplify right side
    189,558,358.20x = 45,194,699,935,988,904
  5. Step 5: Solve for x
    x = 45,194,699,935,988,904/189,558,358.20
  6. Step 6: Final answer
    x = 238,421,034.90

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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.