Home / 378,404,804.80-567,607,207.20-133,038,495.10

Finding the Fourth Proportional to 378,404,804.80, 567,607,207.20 and 133,038,495.10

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Solution

The fourth proportional to 378,404,804.80, 567,607,207.20 and 133,038,495.10 is: 199,557,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,404,804.80 : 567,607,207.20 = 133,038,495.10 : x
  2. Step 2: Convert to fraction form
    378,404,804.80/567,607,207.20 = 133,038,495.10/x
  3. Step 3: Cross multiply
    378,404,804.80x = 567,607,207.20 × 133,038,495.10
  4. Step 4: Simplify right side
    378,404,804.80x = 75,513,608,653,801,888
  5. Step 5: Solve for x
    x = 75,513,608,653,801,888/378,404,804.80
  6. Step 6: Final answer
    x = 199,557,742.65

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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.