Home / 378,404,808.80-567,607,213.20-133,038,499.10

Finding the Fourth Proportional to 378,404,808.80, 567,607,213.20 and 133,038,499.10

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Solution

The fourth proportional to 378,404,808.80, 567,607,213.20 and 133,038,499.10 is: 199,557,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,404,808.80 : 567,607,213.20 = 133,038,499.10 : x
  2. Step 2: Convert to fraction form
    378,404,808.80/567,607,213.20 = 133,038,499.10/x
  3. Step 3: Cross multiply
    378,404,808.80x = 567,607,213.20 × 133,038,499.10
  4. Step 4: Simplify right side
    378,404,808.80x = 75,513,611,722,461,712
  5. Step 5: Solve for x
    x = 75,513,611,722,461,712/378,404,808.80
  6. Step 6: Final answer
    x = 199,557,748.65

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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.