Home / 450,541,447.80-675,812,171.70-143,856,007.80

Finding the Fourth Proportional to 450,541,447.80, 675,812,171.70 and 143,856,007.80

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Solution

The fourth proportional to 450,541,447.80, 675,812,171.70 and 143,856,007.80 is: 215,784,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,541,447.80 : 675,812,171.70 = 143,856,007.80 : x
  2. Step 2: Convert to fraction form
    450,541,447.80/675,812,171.70 = 143,856,007.80/x
  3. Step 3: Cross multiply
    450,541,447.80x = 675,812,171.70 × 143,856,007.80
  4. Step 4: Simplify right side
    450,541,447.80x = 97,219,641,043,410,160
  5. Step 5: Solve for x
    x = 97,219,641,043,410,160/450,541,447.80
  6. Step 6: Final answer
    x = 215,784,011.70

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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.