Home / 228,801,663.20-343,202,494.80-136,968,658.40

Finding the Fourth Proportional to 228,801,663.20, 343,202,494.80 and 136,968,658.40

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Solution

The fourth proportional to 228,801,663.20, 343,202,494.80 and 136,968,658.40 is: 205,452,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,801,663.20 : 343,202,494.80 = 136,968,658.40 : x
  2. Step 2: Convert to fraction form
    228,801,663.20/343,202,494.80 = 136,968,658.40/x
  3. Step 3: Cross multiply
    228,801,663.20x = 343,202,494.80 × 136,968,658.40
  4. Step 4: Simplify right side
    228,801,663.20x = 47,007,985,272,288,976
  5. Step 5: Solve for x
    x = 47,007,985,272,288,976/228,801,663.20
  6. Step 6: Final answer
    x = 205,452,987.60

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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.