Home / 143,914,072.40-215,693,961.60-97,855,852.40

Finding the Fourth Proportional to 143,914,072.40, 215,693,961.60 and 97,855,852.40

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Solution

The fourth proportional to 143,914,072.40, 215,693,961.60 and 97,855,852.40 is: 146,663,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,914,072.40 : 215,693,961.60 = 97,855,852.40 : x
  2. Step 2: Convert to fraction form
    143,914,072.40/215,693,961.60 = 97,855,852.40/x
  3. Step 3: Cross multiply
    143,914,072.40x = 215,693,961.60 × 97,855,852.40
  4. Step 4: Simplify right side
    143,914,072.40x = 21,106,916,469,900,868
  5. Step 5: Solve for x
    x = 21,106,916,469,900,868/143,914,072.40
  6. Step 6: Final answer
    x = 146,663,325.68

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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.