Home / 209,858,644.80-314,787,967.20-187,750,699.20

Finding the Fourth Proportional to 209,858,644.80, 314,787,967.20 and 187,750,699.20

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Solution

The fourth proportional to 209,858,644.80, 314,787,967.20 and 187,750,699.20 is: 281,626,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,858,644.80 : 314,787,967.20 = 187,750,699.20 : x
  2. Step 2: Convert to fraction form
    209,858,644.80/314,787,967.20 = 187,750,699.20/x
  3. Step 3: Cross multiply
    209,858,644.80x = 314,787,967.20 × 187,750,699.20
  4. Step 4: Simplify right side
    209,858,644.80x = 59,101,660,941,546,664
  5. Step 5: Solve for x
    x = 59,101,660,941,546,664/209,858,644.80
  6. Step 6: Final answer
    x = 281,626,048.80

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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.