Home / 320,007,160.89-480,007,242.14-77,670,064.89

Finding the Fourth Proportional to 320,007,160.89, 480,007,242.14 and 77,670,064.89

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Solution

The fourth proportional to 320,007,160.89, 480,007,242.14 and 77,670,064.89 is: 116,504,248.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,007,160.89 : 480,007,242.14 = 77,670,064.89 : x
  2. Step 2: Convert to fraction form
    320,007,160.89/480,007,242.14 = 77,670,064.89/x
  3. Step 3: Cross multiply
    320,007,160.89x = 480,007,242.14 × 77,670,064.89
  4. Step 4: Simplify right side
    320,007,160.89x = 37,282,193,644,295,392
  5. Step 5: Solve for x
    x = 37,282,193,644,295,392/320,007,160.89
  6. Step 6: Final answer
    x = 116,504,248.03

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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.