Home / 199,524,636.49-275,341,397.56-111,420,182.38

Finding the Fourth Proportional to 199,524,636.49, 275,341,397.56 and 111,420,182.38

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Solution

The fourth proportional to 199,524,636.49, 275,341,397.56 and 111,420,182.38 is: 153,758,399.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,524,636.49 : 275,341,397.56 = 111,420,182.38 : x
  2. Step 2: Convert to fraction form
    199,524,636.49/275,341,397.56 = 111,420,182.38/x
  3. Step 3: Cross multiply
    199,524,636.49x = 275,341,397.56 × 111,420,182.38
  4. Step 4: Simplify right side
    199,524,636.49x = 30,678,588,732,899,284
  5. Step 5: Solve for x
    x = 30,678,588,732,899,284/199,524,636.49
  6. Step 6: Final answer
    x = 153,758,399.33

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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.