Home / 124,415,999.40-186,623,999.10-107,395,890.60

Finding the Fourth Proportional to 124,415,999.40, 186,623,999.10 and 107,395,890.60

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Solution

The fourth proportional to 124,415,999.40, 186,623,999.10 and 107,395,890.60 is: 161,093,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,415,999.40 : 186,623,999.10 = 107,395,890.60 : x
  2. Step 2: Convert to fraction form
    124,415,999.40/186,623,999.10 = 107,395,890.60/x
  3. Step 3: Cross multiply
    124,415,999.40x = 186,623,999.10 × 107,395,890.60
  4. Step 4: Simplify right side
    124,415,999.40x = 20,042,650,590,678,096
  5. Step 5: Solve for x
    x = 20,042,650,590,678,096/124,415,999.40
  6. Step 6: Final answer
    x = 161,093,835.90

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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.