Home / 125,133,096.40-187,699,644.60-73,988,789.20

Finding the Fourth Proportional to 125,133,096.40, 187,699,644.60 and 73,988,789.20

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Solution

The fourth proportional to 125,133,096.40, 187,699,644.60 and 73,988,789.20 is: 110,983,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,133,096.40 : 187,699,644.60 = 73,988,789.20 : x
  2. Step 2: Convert to fraction form
    125,133,096.40/187,699,644.60 = 73,988,789.20/x
  3. Step 3: Cross multiply
    125,133,096.40x = 187,699,644.60 × 73,988,789.20
  4. Step 4: Simplify right side
    125,133,096.40x = 13,887,669,437,224,318
  5. Step 5: Solve for x
    x = 13,887,669,437,224,318/125,133,096.40
  6. Step 6: Final answer
    x = 110,983,183.80

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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.