Home / 199,493,376.69-275,317,876.85-111,404,392.20

Finding the Fourth Proportional to 199,493,376.69, 275,317,876.85 and 111,404,392.20

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Solution

The fourth proportional to 199,493,376.69, 275,317,876.85 and 111,404,392.20 is: 153,747,564.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,493,376.69 : 275,317,876.85 = 111,404,392.20 : x
  2. Step 2: Convert to fraction form
    199,493,376.69/275,317,876.85 = 111,404,392.20/x
  3. Step 3: Cross multiply
    199,493,376.69x = 275,317,876.85 × 111,404,392.20
  4. Step 4: Simplify right side
    199,493,376.69x = 30,671,620,732,337,768
  5. Step 5: Solve for x
    x = 30,671,620,732,337,768/199,493,376.69
  6. Step 6: Final answer
    x = 153,747,564.16

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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.