Home / 319,558,139.94-479,364,532.92-112,278,533.76

Finding the Fourth Proportional to 319,558,139.94, 479,364,532.92 and 112,278,533.76

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Solution

The fourth proportional to 319,558,139.94, 479,364,532.92 and 112,278,533.76 is: 168,427,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,558,139.94 : 479,364,532.92 = 112,278,533.76 : x
  2. Step 2: Convert to fraction form
    319,558,139.94/479,364,532.92 = 112,278,533.76/x
  3. Step 3: Cross multiply
    319,558,139.94x = 479,364,532.92 × 112,278,533.76
  4. Step 4: Simplify right side
    319,558,139.94x = 53,822,346,892,804,856
  5. Step 5: Solve for x
    x = 53,822,346,892,804,856/319,558,139.94
  6. Step 6: Final answer
    x = 168,427,400.73

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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.