Home / 166,508,915,151.68-249,733,848,761.39-75,729,068,037.31

Finding the Fourth Proportional to 166,508,915,151.68, 249,733,848,761.39 and 75,729,068,037.31

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Solution

The fourth proportional to 166,508,915,151.68, 249,733,848,761.39 and 75,729,068,037.31 is: 113,580,174,411.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,508,915,151.68 : 249,733,848,761.39 = 75,729,068,037.31 : x
  2. Step 2: Convert to fraction form
    166,508,915,151.68/249,733,848,761.39 = 75,729,068,037.31/x
  3. Step 3: Cross multiply
    166,508,915,151.68x = 249,733,848,761.39 × 75,729,068,037.31
  4. Step 4: Simplify right side
    166,508,915,151.68x = 18,912,111,624,070,587,482,112
  5. Step 5: Solve for x
    x = 18,912,111,624,070,587,482,112/166,508,915,151.68
  6. Step 6: Final answer
    x = 113,580,174,411.94

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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.