Home / 378,112,980.96-567,169,607.52-119,354,372.64

Finding the Fourth Proportional to 378,112,980.96, 567,169,607.52 and 119,354,372.64

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Solution

The fourth proportional to 378,112,980.96, 567,169,607.52 and 119,354,372.64 is: 179,031,601.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,112,980.96 : 567,169,607.52 = 119,354,372.64 : x
  2. Step 2: Convert to fraction form
    378,112,980.96/567,169,607.52 = 119,354,372.64/x
  3. Step 3: Cross multiply
    378,112,980.96x = 567,169,607.52 × 119,354,372.64
  4. Step 4: Simplify right side
    378,112,980.96x = 67,694,172,686,024,624
  5. Step 5: Solve for x
    x = 67,694,172,686,024,624/378,112,980.96
  6. Step 6: Final answer
    x = 179,031,601.91

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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.