Home / 77,159,527.40-106,568,520.03-50,815,644.07

Finding the Fourth Proportional to 77,159,527.40, 106,568,520.03 and 50,815,644.07

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Solution

The fourth proportional to 77,159,527.40, 106,568,520.03 and 50,815,644.07 is: 70,183,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,159,527.40 : 106,568,520.03 = 50,815,644.07 : x
  2. Step 2: Convert to fraction form
    77,159,527.40/106,568,520.03 = 50,815,644.07/x
  3. Step 3: Cross multiply
    77,159,527.40x = 106,568,520.03 × 50,815,644.07
  4. Step 4: Simplify right side
    77,159,527.40x = 5,415,347,982,911,146
  5. Step 5: Solve for x
    x = 5,415,347,982,911,146/77,159,527.40
  6. Step 6: Final answer
    x = 70,183,788.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.