Home / 362,541,840.12-543,812,267.88-168,347,065.68

Finding the Fourth Proportional to 362,541,840.12, 543,812,267.88 and 168,347,065.68

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Solution

The fourth proportional to 362,541,840.12, 543,812,267.88 and 168,347,065.68 is: 252,520,369.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,541,840.12 : 543,812,267.88 = 168,347,065.68 : x
  2. Step 2: Convert to fraction form
    362,541,840.12/543,812,267.88 = 168,347,065.68/x
  3. Step 3: Cross multiply
    362,541,840.12x = 543,812,267.88 × 168,347,065.68
  4. Step 4: Simplify right side
    362,541,840.12x = 91,549,199,578,384,112
  5. Step 5: Solve for x
    x = 91,549,199,578,384,112/362,541,840.12
  6. Step 6: Final answer
    x = 252,520,369.92

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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.