Home / 79,784,902.40-110,098,420.14-46,291,786.78

Finding the Fourth Proportional to 79,784,902.40, 110,098,420.14 and 46,291,786.78

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Solution

The fourth proportional to 79,784,902.40, 110,098,420.14 and 46,291,786.78 is: 63,879,912.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,784,902.40 : 110,098,420.14 = 46,291,786.78 : x
  2. Step 2: Convert to fraction form
    79,784,902.40/110,098,420.14 = 46,291,786.78/x
  3. Step 3: Cross multiply
    79,784,902.40x = 110,098,420.14 × 46,291,786.78
  4. Step 4: Simplify right side
    79,784,902.40x = 5,096,652,589,935,738
  5. Step 5: Solve for x
    x = 5,096,652,589,935,738/79,784,902.40
  6. Step 6: Final answer
    x = 63,879,912.57

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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.