Home / 362,021,551.20-543,035,087.28-103,236,556.32

Finding the Fourth Proportional to 362,021,551.20, 543,035,087.28 and 103,236,556.32

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Solution

The fourth proportional to 362,021,551.20, 543,035,087.28 and 103,236,556.32 is: 154,855,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,021,551.20 : 543,035,087.28 = 103,236,556.32 : x
  2. Step 2: Convert to fraction form
    362,021,551.20/543,035,087.28 = 103,236,556.32/x
  3. Step 3: Cross multiply
    362,021,551.20x = 543,035,087.28 × 103,236,556.32
  4. Step 4: Simplify right side
    362,021,551.20x = 56,061,072,371,717,832
  5. Step 5: Solve for x
    x = 56,061,072,371,717,832/362,021,551.20
  6. Step 6: Final answer
    x = 154,855,621.68

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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.