Home / 107,958,747.80-161,938,121.70-97,545,128.60

Finding the Fourth Proportional to 107,958,747.80, 161,938,121.70 and 97,545,128.60

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Solution

The fourth proportional to 107,958,747.80, 161,938,121.70 and 97,545,128.60 is: 146,317,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,958,747.80 : 161,938,121.70 = 97,545,128.60 : x
  2. Step 2: Convert to fraction form
    107,958,747.80/161,938,121.70 = 97,545,128.60/x
  3. Step 3: Cross multiply
    107,958,747.80x = 161,938,121.70 × 97,545,128.60
  4. Step 4: Simplify right side
    107,958,747.80x = 15,796,274,906,468,948
  5. Step 5: Solve for x
    x = 15,796,274,906,468,948/107,958,747.80
  6. Step 6: Final answer
    x = 146,317,692.90

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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.