Home / 101,030,611.40-151,545,917.10-99,686,918.60

Finding the Fourth Proportional to 101,030,611.40, 151,545,917.10 and 99,686,918.60

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Solution

The fourth proportional to 101,030,611.40, 151,545,917.10 and 99,686,918.60 is: 149,530,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,030,611.40 : 151,545,917.10 = 99,686,918.60 : x
  2. Step 2: Convert to fraction form
    101,030,611.40/151,545,917.10 = 99,686,918.60/x
  3. Step 3: Cross multiply
    101,030,611.40x = 151,545,917.10 × 99,686,918.60
  4. Step 4: Simplify right side
    101,030,611.40x = 15,107,145,502,110,046
  5. Step 5: Solve for x
    x = 15,107,145,502,110,046/101,030,611.40
  6. Step 6: Final answer
    x = 149,530,377.90

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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.