Home / 101,030,603.40-151,545,905.10-99,686,910.60

Finding the Fourth Proportional to 101,030,603.40, 151,545,905.10 and 99,686,910.60

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Solution

The fourth proportional to 101,030,603.40, 151,545,905.10 and 99,686,910.60 is: 149,530,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,030,603.40 : 151,545,905.10 = 99,686,910.60 : x
  2. Step 2: Convert to fraction form
    101,030,603.40/151,545,905.10 = 99,686,910.60/x
  3. Step 3: Cross multiply
    101,030,603.40x = 151,545,905.10 × 99,686,910.60
  4. Step 4: Simplify right side
    101,030,603.40x = 15,107,143,093,499,782
  5. Step 5: Solve for x
    x = 15,107,143,093,499,782/101,030,603.40
  6. Step 6: Final answer
    x = 149,530,365.90

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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.