Home / 153,028,223.80-229,990,233.30-133,320,729.40

Finding the Fourth Proportional to 153,028,223.80, 229,990,233.30 and 133,320,729.40

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Solution

The fourth proportional to 153,028,223.80, 229,990,233.30 and 133,320,729.40 is: 200,371,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,028,223.80 : 229,990,233.30 = 133,320,729.40 : x
  2. Step 2: Convert to fraction form
    153,028,223.80/229,990,233.30 = 133,320,729.40/x
  3. Step 3: Cross multiply
    153,028,223.80x = 229,990,233.30 × 133,320,729.40
  4. Step 4: Simplify right side
    153,028,223.80x = 30,662,465,658,432,172
  5. Step 5: Solve for x
    x = 30,662,465,658,432,172/153,028,223.80
  6. Step 6: Final answer
    x = 200,371,309.93

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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.