Home / 199,584,145.80-299,376,218.70-141,471,072.45

Finding the Fourth Proportional to 199,584,145.80, 299,376,218.70 and 141,471,072.45

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Solution

The fourth proportional to 199,584,145.80, 299,376,218.70 and 141,471,072.45 is: 212,206,608.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,584,145.80 : 299,376,218.70 = 141,471,072.45 : x
  2. Step 2: Convert to fraction form
    199,584,145.80/299,376,218.70 = 141,471,072.45/x
  3. Step 3: Cross multiply
    199,584,145.80x = 299,376,218.70 × 141,471,072.45
  4. Step 4: Simplify right side
    199,584,145.80x = 42,353,074,725,514,736
  5. Step 5: Solve for x
    x = 42,353,074,725,514,736/199,584,145.80
  6. Step 6: Final answer
    x = 212,206,608.68

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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.