Home / 194,971,979.48-269,090,209.59-123,451,508.73

Finding the Fourth Proportional to 194,971,979.48, 269,090,209.59 and 123,451,508.73

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Solution

The fourth proportional to 194,971,979.48, 269,090,209.59 and 123,451,508.73 is: 170,381,366.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,971,979.48 : 269,090,209.59 = 123,451,508.73 : x
  2. Step 2: Convert to fraction form
    194,971,979.48/269,090,209.59 = 123,451,508.73/x
  3. Step 3: Cross multiply
    194,971,979.48x = 269,090,209.59 × 123,451,508.73
  4. Step 4: Simplify right side
    194,971,979.48x = 33,219,592,358,903,560
  5. Step 5: Solve for x
    x = 33,219,592,358,903,560/194,971,979.48
  6. Step 6: Final answer
    x = 170,381,366.84

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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.