Home / 119,039,007.52-164,291,759.46-72,656,214.88

Finding the Fourth Proportional to 119,039,007.52, 164,291,759.46 and 72,656,214.88

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Solution

The fourth proportional to 119,039,007.52, 164,291,759.46 and 72,656,214.88 is: 100,276,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,039,007.52 : 164,291,759.46 = 72,656,214.88 : x
  2. Step 2: Convert to fraction form
    119,039,007.52/164,291,759.46 = 72,656,214.88/x
  3. Step 3: Cross multiply
    119,039,007.52x = 164,291,759.46 × 72,656,214.88
  4. Step 4: Simplify right side
    119,039,007.52x = 11,936,817,378,339,032
  5. Step 5: Solve for x
    x = 11,936,817,378,339,032/119,039,007.52
  6. Step 6: Final answer
    x = 100,276,519.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.