Home / 378,404,805.80-567,607,208.70-133,038,496.10

Finding the Fourth Proportional to 378,404,805.80, 567,607,208.70 and 133,038,496.10

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Solution

The fourth proportional to 378,404,805.80, 567,607,208.70 and 133,038,496.10 is: 199,557,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,404,805.80 : 567,607,208.70 = 133,038,496.10 : x
  2. Step 2: Convert to fraction form
    378,404,805.80/567,607,208.70 = 133,038,496.10/x
  3. Step 3: Cross multiply
    378,404,805.80x = 567,607,208.70 × 133,038,496.10
  4. Step 4: Simplify right side
    378,404,805.80x = 75,513,609,420,966,832
  5. Step 5: Solve for x
    x = 75,513,609,420,966,832/378,404,805.80
  6. Step 6: Final answer
    x = 199,557,744.15

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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.