Home / 153,028,400.80-229,990,498.80-133,320,906.40

Finding the Fourth Proportional to 153,028,400.80, 229,990,498.80 and 133,320,906.40

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Solution

The fourth proportional to 153,028,400.80, 229,990,498.80 and 133,320,906.40 is: 200,371,575.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,028,400.80 : 229,990,498.80 = 133,320,906.40 : x
  2. Step 2: Convert to fraction form
    153,028,400.80/229,990,498.80 = 133,320,906.40/x
  3. Step 3: Cross multiply
    153,028,400.80x = 229,990,498.80 × 133,320,906.40
  4. Step 4: Simplify right side
    153,028,400.80x = 30,662,541,763,404,116
  5. Step 5: Solve for x
    x = 30,662,541,763,404,116/153,028,400.80
  6. Step 6: Final answer
    x = 200,371,575.49

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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.