Home / 70,724,002.80-106,086,004.20-53,717,890.80

Finding the Fourth Proportional to 70,724,002.80, 106,086,004.20 and 53,717,890.80

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Solution

The fourth proportional to 70,724,002.80, 106,086,004.20 and 53,717,890.80 is: 80,576,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,724,002.80 : 106,086,004.20 = 53,717,890.80 : x
  2. Step 2: Convert to fraction form
    70,724,002.80/106,086,004.20 = 53,717,890.80/x
  3. Step 3: Cross multiply
    70,724,002.80x = 106,086,004.20 × 53,717,890.80
  4. Step 4: Simplify right side
    70,724,002.80x = 5,698,716,389,023,941
  5. Step 5: Solve for x
    x = 5,698,716,389,023,941/70,724,002.80
  6. Step 6: Final answer
    x = 80,576,836.20

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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.