Home / 362,498,664.40-543,747,996.60-103,729,325.20

Finding the Fourth Proportional to 362,498,664.40, 543,747,996.60 and 103,729,325.20

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Solution

The fourth proportional to 362,498,664.40, 543,747,996.60 and 103,729,325.20 is: 155,593,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,498,664.40 : 543,747,996.60 = 103,729,325.20 : x
  2. Step 2: Convert to fraction form
    362,498,664.40/543,747,996.60 = 103,729,325.20/x
  3. Step 3: Cross multiply
    362,498,664.40x = 543,747,996.60 × 103,729,325.20
  4. Step 4: Simplify right side
    362,498,664.40x = 56,402,612,766,169,896
  5. Step 5: Solve for x
    x = 56,402,612,766,169,896/362,498,664.40
  6. Step 6: Final answer
    x = 155,593,987.80

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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.