Home / 243,477,304.48-364,987,338.48-81,806,177.44

Finding the Fourth Proportional to 243,477,304.48, 364,987,338.48 and 81,806,177.44

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Solution

The fourth proportional to 243,477,304.48, 364,987,338.48 and 81,806,177.44 is: 122,632,452.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,477,304.48 : 364,987,338.48 = 81,806,177.44 : x
  2. Step 2: Convert to fraction form
    243,477,304.48/364,987,338.48 = 81,806,177.44/x
  3. Step 3: Cross multiply
    243,477,304.48x = 364,987,338.48 × 81,806,177.44
  4. Step 4: Simplify right side
    243,477,304.48x = 29,858,218,975,048,220
  5. Step 5: Solve for x
    x = 29,858,218,975,048,220/243,477,304.48
  6. Step 6: Final answer
    x = 122,632,452.49

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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.